diff --git a/README.md b/README.md
index e8c2e3e..5707009 100644
--- a/README.md
+++ b/README.md
@@ -46,4 +46,4 @@ Add a class of `js-packery` to your element. Options can be set in JSON in `data
 
 ---
 
-Copyright (c) 2014 Metafizzy
+Copyright (c) 2015 Metafizzy
diff --git a/bower.json b/bower.json
index f39123e..005ace6 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "packery",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "author": "David DeSandro / Metafizzy",
   "description": "bin-packing layout library",
   "main": [
diff --git a/dist/packery.pkgd.js b/dist/packery.pkgd.js
index ef4d323..f0cfb0a 100644
--- a/dist/packery.pkgd.js
+++ b/dist/packery.pkgd.js
@@ -1,5 +1,5 @@
 /*!
- * Packery PACKAGED v1.3.1
+ * Packery PACKAGED v1.3.2
  * bin-packing layout library
  * http://packery.metafizzy.co
  *
@@ -8,7 +8,7 @@
  *
  * Non-commercial use is licensed under the GPL v3 License
  *
- * Copyright 2014 Metafizzy
+ * Copyright 2015 Metafizzy
  */
 
 /**
@@ -545,7 +545,7 @@ if ( typeof define === 'function' && define.amd ) {
 })( window );
 
 /*!
- * eventie v1.0.5
+ * eventie v1.0.6
  * event binding helper
  *   eventie.bind( elem, 'click', myFn )
  *   eventie.unbind( elem, 'click', myFn )
@@ -625,7 +625,7 @@ if ( typeof define === 'function' && define.amd ) {
   window.eventie = eventie;
 }
 
-})( this );
+})( window );
 
 /*!
  * docReady v1.0.4
@@ -3357,7 +3357,7 @@ if ( typeof define === 'function' && define.amd ) {
 })( window );
 
 /*!
- * Packery v1.3.1
+ * Packery v1.3.2
  * bin-packing layout library
  * http://packery.metafizzy.co
  *
@@ -3366,18 +3366,25 @@ if ( typeof define === 'function' && define.amd ) {
  *
  * Non-commercial use is licensed under the GPL v3 License
  *
- * Copyright 2014 Metafizzy
+ * Copyright 2015 Metafizzy
  */
 
 ( function( window ) {
 
 
 
-// -------------------------- Packery -------------------------- //
-
 // used for AMD definition and requires
 function packeryDefinition( classie, getSize, Outlayer, Rect, Packer, Item ) {
 
+// ----- Rect ----- //
+
+// allow for pixel rounding errors IE8-IE11 & Firefox; #227
+Rect.prototype.canFit = function( rect ) {
+  return this.width >= rect.width - 1 && this.height >= rect.height - 1;
+};
+
+// -------------------------- Packery -------------------------- //
+
 // create an Outlayer layout class
 var Packery = Outlayer.create('packery');
 Packery.Item = Item;
@@ -3500,16 +3507,33 @@ Packery.prototype._setRectSize = function( elem, rect ) {
   // size for columnWidth and rowHeight, if available
   // only check if size is non-zero, #177
   if ( w || h ) {
-    var colW = this.columnWidth + this.gutter;
-    var rowH = this.rowHeight + this.gutter;
-    w = this.columnWidth ? Math.ceil( w / colW ) * colW : w + this.gutter;
-    h = this.rowHeight ? Math.ceil( h / rowH ) * rowH : h + this.gutter;
+    w = this._applyGridGutter( w, this.columnWidth );
+    h = this._applyGridGutter( h, this.rowHeight );
   }
   // rect must fit in packer
   rect.width = Math.min( w, this.packer.width );
   rect.height = Math.min( h, this.packer.height );
 };
 
+/**
+ * fits item to columnWidth/rowHeight and adds gutter
+ * @param {Number} measurement - item width or height
+ * @param {Number} gridSize - columnWidth or rowHeight
+ * @returns measurement
+ */
+Packery.prototype._applyGridGutter = function( measurement, gridSize ) {
+  // just add gutter if no gridSize
+  if ( !gridSize ) {
+    return measurement + this.gutter;
+  }
+  gridSize += this.gutter;
+  // fit item to columnWidth/rowHeight
+  var remainder = measurement % gridSize;
+  var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
+  measurement = Math[ mathMethod ]( measurement / gridSize ) * gridSize;
+  return measurement;
+};
+
 Packery.prototype._getContainerSize = function() {
   if ( this.options.isHorizontal ) {
     return {
diff --git a/dist/packery.pkgd.min.js b/dist/packery.pkgd.min.js
index c617ba9..d37c173 100644
--- a/dist/packery.pkgd.min.js
+++ b/dist/packery.pkgd.min.js
@@ -1,5 +1,5 @@
 /*!
- * Packery PACKAGED v1.3.1
+ * Packery PACKAGED v1.3.2
  * bin-packing layout library
  * http://packery.metafizzy.co
  *
@@ -8,8 +8,8 @@
  *
  * Non-commercial use is licensed under the GPL v3 License
  *
- * Copyright 2014 Metafizzy
+ * Copyright 2015 Metafizzy
  */
 
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i(s,this);n.push(a)}return n},m.prototype._filterFindItemElements=function(t){t=n(t);for(var e=this.options.itemSelector,i=[],o=0,r=t.length;r>o;o++){var s=t[o];if(d(s))if(e){l(s,e)&&i.push(s);for(var a=s.querySelectorAll(e),h=0,p=a.length;p>h;h++)i.push(a[h])}else i.push(s)}return i},m.prototype.getItemElements=function(){for(var t=[],e=0,i=this.items.length;i>e;e++)t.push(this.items[e].element);return t},m.prototype.layout=function(){this._resetLayout(),this._manageStamps();var t=void 0!==this.options.isLayoutInstant?this.options.isLayoutInstant:!this._isLayoutInited;this.layoutItems(this.items,t),this._isLayoutInited=!0},m.prototype._init=m.prototype.layout,m.prototype._resetLayout=function(){this.getSize()},m.prototype.getSize=function(){this.size=f(this.element)},m.prototype._getMeasurement=function(t,e){var i,n=this.options[t];n?("string"==typeof n?i=this.element.querySelector(n):d(n)&&(i=n),this[t]=i?f(i)[e]:n):this[t]=0},m.prototype.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},m.prototype._getItemsForLayout=function(t){for(var e=[],i=0,n=t.length;n>i;i++){var o=t[i];o.isIgnored||e.push(o)}return e},m.prototype._layoutItems=function(t,e){function i(){n.emitEvent("layoutComplete",[n,t])}var n=this;if(!t||!t.length)return i(),void 0;this._itemsOn(t,"layout",i);for(var o=[],r=0,s=t.length;s>r;r++){var a=t[r],h=this._getItemLayoutPosition(a);h.item=a,h.isInstant=e||a.isLayoutInstant,o.push(h)}this._processLayoutQueue(o)},m.prototype._getItemLayoutPosition=function(){return{x:0,y:0}},m.prototype._processLayoutQueue=function(t){for(var e=0,i=t.length;i>e;e++){var n=t[e];this._positionItem(n.item,n.x,n.y,n.isInstant)}},m.prototype._positionItem=function(t,e,i,n){n?t.goTo(e,i):t.moveTo(e,i)},m.prototype._postLayout=function(){this.resizeContainer()},m.prototype.resizeContainer=function(){if(this.options.isResizingContainer){var t=this._getContainerSize();t&&(this._setContainerMeasure(t.width,!0),this._setContainerMeasure(t.height,!1))}},m.prototype._getContainerSize=u,m.prototype._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},m.prototype._itemsOn=function(t,e,i){function n(){return o++,o===r&&i.call(s),!0}for(var o=0,r=t.length,s=this,a=0,h=t.length;h>a;a++){var p=t[a];p.on(e,n)}},m.prototype.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},m.prototype.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},m.prototype.stamp=function(t){if(t=this._find(t)){this.stamps=this.stamps.concat(t);for(var e=0,i=t.length;i>e;e++){var n=t[e];this.ignore(n)}}},m.prototype.unstamp=function(t){if(t=this._find(t))for(var e=0,i=t.length;i>e;e++){var n=t[e];o(n,this.stamps),this.unignore(n)}},m.prototype._find=function(t){return t?("string"==typeof t&&(t=this.element.querySelectorAll(t)),t=n(t)):void 0},m.prototype._manageStamps=function(){if(this.stamps&&this.stamps.length){this._getBoundingRect();for(var t=0,e=this.stamps.length;e>t;t++){var i=this.stamps[t];this._manageStamp(i)}}},m.prototype._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},m.prototype._manageStamp=u,m.prototype._getElementOffset=function(t){var e=t.getBoundingClientRect(),i=this._boundingRect,n=f(t),o={left:e.left-i.left-n.marginLeft,top:e.top-i.top-n.marginTop,right:i.right-e.right-n.marginRight,bottom:i.bottom-e.bottom-n.marginBottom};return o},m.prototype.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},m.prototype.bindResize=function(){this.isResizeBound||(i.bind(t,"resize",this),this.isResizeBound=!0)},m.prototype.unbindResize=function(){this.isResizeBound&&i.unbind(t,"resize",this),this.isResizeBound=!1},m.prototype.onresize=function(){function t(){e.resize(),delete e.resizeTimeout}this.resizeTimeout&&clearTimeout(this.resizeTimeout);var e=this;this.resizeTimeout=setTimeout(t,100)},m.prototype.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},m.prototype.needsResizeLayout=function(){var t=f(this.element),e=this.size&&t;return e&&t.innerWidth!==this.size.innerWidth},m.prototype.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},m.prototype.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},m.prototype.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},m.prototype.reveal=function(t){var e=t&&t.length;if(e)for(var i=0;e>i;i++){var n=t[i];n.reveal()}},m.prototype.hide=function(t){var e=t&&t.length;if(e)for(var i=0;e>i;i++){var n=t[i];n.hide()}},m.prototype.getItem=function(t){for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];if(n.element===t)return n}},m.prototype.getItems=function(t){if(t&&t.length){for(var e=[],i=0,n=t.length;n>i;i++){var o=t[i],r=this.getItem(o);r&&e.push(r)}return e}},m.prototype.remove=function(t){t=n(t);var e=this.getItems(t);if(e&&e.length){this._itemsOn(e,"remove",function(){this.emitEvent("removeComplete",[this,e])});for(var i=0,r=e.length;r>i;i++){var s=e[i];s.remove(),o(s,this.items)}}},m.prototype.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="";for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];n.destroy()}this.unbindResize();var o=this.element.outlayerGUID;delete v[o],delete this.element.outlayerGUID,p&&p.removeData(this.element,this.constructor.namespace)},m.data=function(t){var e=t&&t.outlayerGUID;return e&&v[e]},m.create=function(t,i){function n(){m.apply(this,arguments)}return Object.create?n.prototype=Object.create(m.prototype):e(n.prototype,m.prototype),n.prototype.constructor=n,n.defaults=e({},m.defaults),e(n.defaults,i),n.prototype.settings={},n.namespace=t,n.data=m.data,n.Item=function(){y.apply(this,arguments)},n.Item.prototype=new y,s(function(){for(var e=r(t),i=a.querySelectorAll(".js-"+e),o="data-"+e+"-options",s=0,u=i.length;u>s;s++){var c,d=i[s],f=d.getAttribute(o);try{c=f&&JSON.parse(f)}catch(l){h&&h.error("Error parsing "+o+" on 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exports?module.exports=s(require("eventie"),require("doc-ready"),require("wolfy87-eventemitter"),require("get-size"),require("desandro-matches-selector"),require("./item")):t.Outlayer=s(t.eventie,t.docReady,t.EventEmitter,t.getSize,t.matchesSelector,t.Outlayer.Item)}(window),function(t){function e(){function t(e){for(var i in t.defaults)this[i]=t.defaults[i];for(i in e)this[i]=e[i]}return i.Rect=t,t.defaults={x:0,y:0,width:0,height:0},t.prototype.contains=function(t){var e=t.width||0,i=t.height||0;return this.x<=t.x&&this.y<=t.y&&this.x+this.width>=t.x+e&&this.y+this.height>=t.y+i},t.prototype.overlaps=function(t){var e=this.x+this.width,i=this.y+this.height,n=t.x+t.width,o=t.y+t.height;return n>this.x&&e>t.x&&o>this.y&&i>t.y},t.prototype.getMaximalFreeRects=function(e){if(!this.overlaps(e))return!1;var i,n=[],o=this.x+this.width,r=this.y+this.height,s=e.x+e.width,a=e.y+e.height;return this.y<e.y&&(i=new t({x:this.x,y:this.y,width:this.width,height:e.y-this.y}),n.push(i)),o>s&&(i=new t({x:s,y:this.y,width:o-s,height:this.height}),n.push(i)),r>a&&(i=new t({x:this.x,y:a,width:this.width,height:r-a}),n.push(i)),this.x<e.x&&(i=new t({x:this.x,y:this.y,width:e.x-this.x,height:this.height}),n.push(i)),n},t.prototype.canFit=function(t){return this.width>=t.width&&this.height>=t.height},t}var i=t.Packery=function(){};"function"==typeof define&&define.amd?define("packery/js/rect",e):"object"==typeof exports?module.exports=e():(t.Packery=t.Packery||{},t.Packery.Rect=e())}(window),function(t){function e(t){function e(t,e,i){this.width=t||0,this.height=e||0,this.sortDirection=i||"downwardLeftToRight",this.reset()}e.prototype.reset=function(){this.spaces=[],this.newSpaces=[];var e=new t({x:0,y:0,width:this.width,height:this.height});this.spaces.push(e),this.sorter=i[this.sortDirection]||i.downwardLeftToRight},e.prototype.pack=function(t){for(var e=0,i=this.spaces.length;i>e;e++){var n=this.spaces[e];if(n.canFit(t)){this.placeInSpace(t,n);break}}},e.prototype.placeInSpace=function(t,e){t.x=e.x,t.y=e.y,this.placed(t)},e.prototype.placed=function(t){for(var e=[],i=0,n=this.spaces.length;n>i;i++){var o=this.spaces[i],r=o.getMaximalFreeRects(t);r?e.push.apply(e,r):e.push(o)}this.spaces=e,this.mergeSortSpaces()},e.prototype.mergeSortSpaces=function(){e.mergeRects(this.spaces),this.spaces.sort(this.sorter)},e.prototype.addSpace=function(t){this.spaces.push(t),this.mergeSortSpaces()},e.mergeRects=function(t){for(var e=0,i=t.length;i>e;e++){var n=t[e];if(n){var o=t.slice(0);o.splice(e,1);for(var r=0,s=0,a=o.length;a>s;s++){var h=o[s],p=e>s?0:1;n.contains(h)&&(t.splice(s+p-r,1),r++)}}}return t};var i={downwardLeftToRight:function(t,e){return t.y-e.y||t.x-e.x},rightwardTopToBottom:function(t,e){return t.x-e.x||t.y-e.y}};return e}if("function"==typeof define&&define.amd)define("packery/js/packer",["./rect"],e);else if("object"==typeof exports)module.exports=e(require("./rect"));else{var i=t.Packery=t.Packery||{};i.Packer=e(i.Rect)}}(window),function(t){function e(t,e,i){var n=t("transform"),o=function(){e.Item.apply(this,arguments)};o.prototype=new e.Item;var r=o.prototype._create;return o.prototype._create=function(){r.call(this),this.rect=new i,this.placeRect=new i},o.prototype.dragStart=function(){this.getPosition(),this.removeTransitionStyles(),this.isTransitioning&&n&&(this.element.style[n]="none"),this.getSize(),this.isPlacing=!0,this.needsPositioning=!1,this.positionPlaceRect(this.position.x,this.position.y),this.isTransitioning=!1,this.didDrag=!1},o.prototype.dragMove=function(t,e){this.didDrag=!0;var i=this.layout.size;t-=i.paddingLeft,e-=i.paddingTop,this.positionPlaceRect(t,e)},o.prototype.dragStop=function(){this.getPosition();var t=this.position.x!==this.placeRect.x,e=this.position.y!==this.placeRect.y;this.needsPositioning=t||e,this.didDrag=!1},o.prototype.positionPlaceRect=function(t,e,i){this.placeRect.x=this.getPlaceRectCoord(t,!0),this.placeRect.y=this.getPlaceRectCoord(e,!1,i)},o.prototype.getPlaceRectCoord=function(t,e,i){var n=e?"Width":"Height",o=this.size["outer"+n],r=this.layout[e?"columnWidth":"rowHeight"],s=this.layout.size["inner"+n];e||(s=Math.max(s,this.layout.maxY),this.layout.rowHeight||(s-=this.layout.gutter));var a;if(r){r+=this.layout.gutter,s+=e?this.layout.gutter:0,t=Math.round(t/r);var h;h=this.layout.options.isHorizontal?e?"ceil":"floor":e?"floor":"ceil";var p=Math[h](s/r);p-=Math.ceil(o/r),a=p}else a=s-o;return t=i?t:Math.min(t,a),t*=r||1,Math.max(0,t)},o.prototype.copyPlaceRectPosition=function(){this.rect.x=this.placeRect.x,this.rect.y=this.placeRect.y},o.prototype.removeElem=function(){this.element.parentNode.removeChild(this.element),this.layout.packer.addSpace(this.rect),this.emitEvent("remove",[this])},o}"function"==typeof define&&define.amd?define("packery/js/item",["get-style-property/get-style-property","outlayer/outlayer","./rect"],e):"object"==typeof exports?module.exports=e(require("desandro-get-style-property"),require("outlayer"),require("./rect")):t.Packery.Item=e(t.getStyleProperty,t.Outlayer,t.Packery.Rect)}(window),function(t){function e(t,e,i,n,o,r){function s(t,e){return t.position.y-e.position.y||t.position.x-e.position.x}function a(t,e){return t.position.x-e.position.x||t.position.y-e.position.y}var h=i.create("packery");return h.Item=r,h.prototype._create=function(){i.prototype._create.call(this),this.packer=new o,this.stamp(this.options.stamped);var t=this;this.handleDraggabilly={dragStart:function(e){t.itemDragStart(e.element)},dragMove:function(e){t.itemDragMove(e.element,e.position.x,e.position.y)},dragEnd:function(e){t.itemDragEnd(e.element)}},this.handleUIDraggable={start:function(e){t.itemDragStart(e.currentTarget)},drag:function(e,i){t.itemDragMove(e.currentTarget,i.position.left,i.position.top)},stop:function(e){t.itemDragEnd(e.currentTarget)}}},h.prototype._resetLayout=function(){this.getSize(),this._getMeasurements();var t=this.packer;this.options.isHorizontal?(t.width=Number.POSITIVE_INFINITY,t.height=this.size.innerHeight+this.gutter,t.sortDirection="rightwardTopToBottom"):(t.width=this.size.innerWidth+this.gutter,t.height=Number.POSITIVE_INFINITY,t.sortDirection="downwardLeftToRight"),t.reset(),this.maxY=0,this.maxX=0},h.prototype._getMeasurements=function(){this._getMeasurement("columnWidth","width"),this._getMeasurement("rowHeight","height"),this._getMeasurement("gutter","width")},h.prototype._getItemLayoutPosition=function(t){return this._packItem(t),t.rect},h.prototype._packItem=function(t){this._setRectSize(t.element,t.rect),this.packer.pack(t.rect),this._setMaxXY(t.rect)},h.prototype._setMaxXY=function(t){this.maxX=Math.max(t.x+t.width,this.maxX),this.maxY=Math.max(t.y+t.height,this.maxY)},h.prototype._setRectSize=function(t,i){var n=e(t),o=n.outerWidth,r=n.outerHeight;if(o||r){var s=this.columnWidth+this.gutter,a=this.rowHeight+this.gutter;o=this.columnWidth?Math.ceil(o/s)*s:o+this.gutter,r=this.rowHeight?Math.ceil(r/a)*a:r+this.gutter}i.width=Math.min(o,this.packer.width),i.height=Math.min(r,this.packer.height)},h.prototype._getContainerSize=function(){return this.options.isHorizontal?{width:this.maxX-this.gutter}:{height:this.maxY-this.gutter}},h.prototype._manageStamp=function(t){var e,i=this.getItem(t);if(i&&i.isPlacing)e=i.placeRect;else{var o=this._getElementOffset(t);e=new n({x:this.options.isOriginLeft?o.left:o.right,y:this.options.isOriginTop?o.top:o.bottom})}this._setRectSize(t,e),this.packer.placed(e),this._setMaxXY(e)},h.prototype.sortItemsByPosition=function(){var t=this.options.isHorizontal?a:s;this.items.sort(t)},h.prototype.fit=function(t,e,i){var n=this.getItem(t);n&&(this._getMeasurements(),this.stamp(n.element),n.getSize(),n.isPlacing=!0,e=void 0===e?n.rect.x:e,i=void 0===i?n.rect.y:i,n.positionPlaceRect(e,i,!0),this._bindFitEvents(n),n.moveTo(n.placeRect.x,n.placeRect.y),this.layout(),this.unstamp(n.element),this.sortItemsByPosition(),n.isPlacing=!1,n.copyPlaceRectPosition())},h.prototype._bindFitEvents=function(t){function e(){n++,2===n&&i.emitEvent("fitComplete",[i,t])}var i=this,n=0;t.on("layout",function(){return e(),!0}),this.on("layoutComplete",function(){return e(),!0
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n=t[e];this._positionItem(n.item,n.x,n.y,n.isInstant)}},m.prototype._positionItem=function(t,e,i,n){n?t.goTo(e,i):t.moveTo(e,i)},m.prototype._postLayout=function(){this.resizeContainer()},m.prototype.resizeContainer=function(){if(this.options.isResizingContainer){var t=this._getContainerSize();t&&(this._setContainerMeasure(t.width,!0),this._setContainerMeasure(t.height,!1))}},m.prototype._getContainerSize=u,m.prototype._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},m.prototype._itemsOn=function(t,e,i){function n(){return o++,o===r&&i.call(s),!0}for(var o=0,r=t.length,s=this,a=0,h=t.length;h>a;a++){var p=t[a];p.on(e,n)}},m.prototype.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},m.prototype.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},m.prototype.stamp=function(t){if(t=this._find(t)){this.stamps=this.stamps.concat(t);for(var e=0,i=t.length;i>e;e++){var n=t[e];this.ignore(n)}}},m.prototype.unstamp=function(t){if(t=this._find(t))for(var e=0,i=t.length;i>e;e++){var n=t[e];o(n,this.stamps),this.unignore(n)}},m.prototype._find=function(t){return t?("string"==typeof t&&(t=this.element.querySelectorAll(t)),t=n(t)):void 0},m.prototype._manageStamps=function(){if(this.stamps&&this.stamps.length){this._getBoundingRect();for(var t=0,e=this.stamps.length;e>t;t++){var i=this.stamps[t];this._manageStamp(i)}}},m.prototype._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},m.prototype._manageStamp=u,m.prototype._getElementOffset=function(t){var e=t.getBoundingClientRect(),i=this._boundingRect,n=f(t),o={left:e.left-i.left-n.marginLeft,top:e.top-i.top-n.marginTop,right:i.right-e.right-n.marginRight,bottom:i.bottom-e.bottom-n.marginBottom};return o},m.prototype.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},m.prototype.bindResize=function(){this.isResizeBound||(i.bind(t,"resize",this),this.isResizeBound=!0)},m.prototype.unbindResize=function(){this.isResizeBound&&i.unbind(t,"resize",this),this.isResizeBound=!1},m.prototype.onresize=function(){function t(){e.resize(),delete e.resizeTimeout}this.resizeTimeout&&clearTimeout(this.resizeTimeout);var e=this;this.resizeTimeout=setTimeout(t,100)},m.prototype.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},m.prototype.needsResizeLayout=function(){var t=f(this.element),e=this.size&&t;return e&&t.innerWidth!==this.size.innerWidth},m.prototype.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},m.prototype.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},m.prototype.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},m.prototype.reveal=function(t){var e=t&&t.length;if(e)for(var i=0;e>i;i++){var n=t[i];n.reveal()}},m.prototype.hide=function(t){var e=t&&t.length;if(e)for(var i=0;e>i;i++){var n=t[i];n.hide()}},m.prototype.getItem=function(t){for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];if(n.element===t)return n}},m.prototype.getItems=function(t){if(t&&t.length){for(var e=[],i=0,n=t.length;n>i;i++){var o=t[i],r=this.getItem(o);r&&e.push(r)}return e}},m.prototype.remove=function(t){t=n(t);var e=this.getItems(t);if(e&&e.length){this._itemsOn(e,"remove",function(){this.emitEvent("removeComplete",[this,e])});for(var i=0,r=e.length;r>i;i++){var s=e[i];s.remove(),o(s,this.items)}}},m.prototype.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="";for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];n.destroy()}this.unbindResize();var o=this.element.outlayerGUID;delete v[o],delete this.element.outlayerGUID,p&&p.removeData(this.element,this.constructor.namespace)},m.data=function(t){var e=t&&t.outlayerGUID;return e&&v[e]},m.create=function(t,i){function n(){m.apply(this,arguments)}return Object.create?n.prototype=Object.create(m.prototype):e(n.prototype,m.prototype),n.prototype.constructor=n,n.defaults=e({},m.defaults),e(n.defaults,i),n.prototype.settings={},n.namespace=t,n.data=m.data,n.Item=function(){y.apply(this,arguments)},n.Item.prototype=new y,s(function(){for(var e=r(t),i=a.querySelectorAll(".js-"+e),o="data-"+e+"-options",s=0,u=i.length;u>s;s++){var c,d=i[s],f=d.getAttribute(o);try{c=f&&JSON.parse(f)}catch(l){h&&h.error("Error parsing "+o+" on "+d.nodeName.toLowerCase()+(d.id?"#"+d.id:"")+": "+l);continue}var y=new n(d,c);p&&p.data(d,t,y)}}),p&&p.bridget&&p.bridget(t,n),n},m.Item=y,m}var a=t.document,h=t.console,p=t.jQuery,u=function(){},c=Object.prototype.toString,d="function"==typeof HTMLElement||"object"==typeof HTMLElement?function(t){return t instanceof HTMLElement}:function(t){return t&&"object"==typeof t&&1===t.nodeType&&"string"==typeof t.nodeName},f=Array.prototype.indexOf?function(t,e){return t.indexOf(e)}:function(t,e){for(var i=0,n=t.length;n>i;i++)if(t[i]===e)return i;return-1};"function"==typeof define&&define.amd?define("outlayer/outlayer",["eventie/eventie","doc-ready/doc-ready","eventEmitter/EventEmitter","get-size/get-size","matches-selector/matches-selector","./item"],s):"object"==typeof exports?module.exports=s(require("eventie"),require("doc-ready"),require("wolfy87-eventemitter"),require("get-size"),require("desandro-matches-selector"),require("./item")):t.Outlayer=s(t.eventie,t.docReady,t.EventEmitter,t.getSize,t.matchesSelector,t.Outlayer.Item)}(window),function(t){function e(){function t(e){for(var i in t.defaults)this[i]=t.defaults[i];for(i in e)this[i]=e[i]}return i.Rect=t,t.defaults={x:0,y:0,width:0,height:0},t.prototype.contains=function(t){var e=t.width||0,i=t.height||0;return this.x<=t.x&&this.y<=t.y&&this.x+this.width>=t.x+e&&this.y+this.height>=t.y+i},t.prototype.overlaps=function(t){var e=this.x+this.width,i=this.y+this.height,n=t.x+t.width,o=t.y+t.height;return n>this.x&&e>t.x&&o>this.y&&i>t.y},t.prototype.getMaximalFreeRects=function(e){if(!this.overlaps(e))return!1;var i,n=[],o=this.x+this.width,r=this.y+this.height,s=e.x+e.width,a=e.y+e.height;return this.y<e.y&&(i=new t({x:this.x,y:this.y,width:this.width,height:e.y-this.y}),n.push(i)),o>s&&(i=new t({x:s,y:this.y,width:o-s,height:this.height}),n.push(i)),r>a&&(i=new t({x:this.x,y:a,width:this.width,height:r-a}),n.push(i)),this.x<e.x&&(i=new t({x:this.x,y:this.y,width:e.x-this.x,height:this.height}),n.push(i)),n},t.prototype.canFit=function(t){return this.width>=t.width&&this.height>=t.height},t}var i=t.Packery=function(){};"function"==typeof define&&define.amd?define("packery/js/rect",e):"object"==typeof exports?module.exports=e():(t.Packery=t.Packery||{},t.Packery.Rect=e())}(window),function(t){function e(t){function e(t,e,i){this.width=t||0,this.height=e||0,this.sortDirection=i||"downwardLeftToRight",this.reset()}e.prototype.reset=function(){this.spaces=[],this.newSpaces=[];var e=new t({x:0,y:0,width:this.width,height:this.height});this.spaces.push(e),this.sorter=i[this.sortDirection]||i.downwardLeftToRight},e.prototype.pack=function(t){for(var e=0,i=this.spaces.length;i>e;e++){var n=this.spaces[e];if(n.canFit(t)){this.placeInSpace(t,n);break}}},e.prototype.placeInSpace=function(t,e){t.x=e.x,t.y=e.y,this.placed(t)},e.prototype.placed=function(t){for(var e=[],i=0,n=this.spaces.length;n>i;i++){var o=this.spaces[i],r=o.getMaximalFreeRects(t);r?e.push.apply(e,r):e.push(o)}this.spaces=e,this.mergeSortSpaces()},e.prototype.mergeSortSpaces=function(){e.mergeRects(this.spaces),this.spaces.sort(this.sorter)},e.prototype.addSpace=function(t){this.spaces.push(t),this.mergeSortSpaces()},e.mergeRects=function(t){for(var e=0,i=t.length;i>e;e++){var n=t[e];if(n){var o=t.slice(0);o.splice(e,1);for(var r=0,s=0,a=o.length;a>s;s++){var h=o[s],p=e>s?0:1;n.contains(h)&&(t.splice(s+p-r,1),r++)}}}return t};var i={downwardLeftToRight:function(t,e){return t.y-e.y||t.x-e.x},rightwardTopToBottom:function(t,e){return t.x-e.x||t.y-e.y}};return e}if("function"==typeof define&&define.amd)define("packery/js/packer",["./rect"],e);else if("object"==typeof exports)module.exports=e(require("./rect"));else{var i=t.Packery=t.Packery||{};i.Packer=e(i.Rect)}}(window),function(t){function e(t,e,i){var n=t("transform"),o=function(){e.Item.apply(this,arguments)};o.prototype=new e.Item;var r=o.prototype._create;return o.prototype._create=function(){r.call(this),this.rect=new i,this.placeRect=new i},o.prototype.dragStart=function(){this.getPosition(),this.removeTransitionStyles(),this.isTransitioning&&n&&(this.element.style[n]="none"),this.getSize(),this.isPlacing=!0,this.needsPositioning=!1,this.positionPlaceRect(this.position.x,this.position.y),this.isTransitioning=!1,this.didDrag=!1},o.prototype.dragMove=function(t,e){this.didDrag=!0;var i=this.layout.size;t-=i.paddingLeft,e-=i.paddingTop,this.positionPlaceRect(t,e)},o.prototype.dragStop=function(){this.getPosition();var t=this.position.x!==this.placeRect.x,e=this.position.y!==this.placeRect.y;this.needsPositioning=t||e,this.didDrag=!1},o.prototype.positionPlaceRect=function(t,e,i){this.placeRect.x=this.getPlaceRectCoord(t,!0),this.placeRect.y=this.getPlaceRectCoord(e,!1,i)},o.prototype.getPlaceRectCoord=function(t,e,i){var n=e?"Width":"Height",o=this.size["outer"+n],r=this.layout[e?"columnWidth":"rowHeight"],s=this.layout.size["inner"+n];e||(s=Math.max(s,this.layout.maxY),this.layout.rowHeight||(s-=this.layout.gutter));var a;if(r){r+=this.layout.gutter,s+=e?this.layout.gutter:0,t=Math.round(t/r);var h;h=this.layout.options.isHorizontal?e?"ceil":"floor":e?"floor":"ceil";var p=Math[h](s/r);p-=Math.ceil(o/r),a=p}else a=s-o;return t=i?t:Math.min(t,a),t*=r||1,Math.max(0,t)},o.prototype.copyPlaceRectPosition=function(){this.rect.x=this.placeRect.x,this.rect.y=this.placeRect.y},o.prototype.removeElem=function(){this.element.parentNode.removeChild(this.element),this.layout.packer.addSpace(this.rect),this.emitEvent("remove",[this])},o}"function"==typeof define&&define.amd?define("packery/js/item",["get-style-property/get-style-property","outlayer/outlayer","./rect"],e):"object"==typeof exports?module.exports=e(require("desandro-get-style-property"),require("outlayer"),require("./rect")):t.Packery.Item=e(t.getStyleProperty,t.Outlayer,t.Packery.Rect)}(window),function(t){function e(t,e,i,n,o,r){function s(t,e){return t.position.y-e.position.y||t.position.x-e.position.x}function a(t,e){return t.position.x-e.position.x||t.position.y-e.position.y}n.prototype.canFit=function(t){return this.width>=t.width-1&&this.height>=t.height-1};var h=i.create("packery");return h.Item=r,h.prototype._create=function(){i.prototype._create.call(this),this.packer=new o,this.stamp(this.options.stamped);var t=this;this.handleDraggabilly={dragStart:function(e){t.itemDragStart(e.element)},dragMove:function(e){t.itemDragMove(e.element,e.position.x,e.position.y)},dragEnd:function(e){t.itemDragEnd(e.element)}},this.handleUIDraggable={start:function(e){t.itemDragStart(e.currentTarget)},drag:function(e,i){t.itemDragMove(e.currentTarget,i.position.left,i.position.top)},stop:function(e){t.itemDragEnd(e.currentTarget)}}},h.prototype._resetLayout=function(){this.getSize(),this._getMeasurements();var t=this.packer;this.options.isHorizontal?(t.width=Number.POSITIVE_INFINITY,t.height=this.size.innerHeight+this.gutter,t.sortDirection="rightwardTopToBottom"):(t.width=this.size.innerWidth+this.gutter,t.height=Number.POSITIVE_INFINITY,t.sortDirection="downwardLeftToRight"),t.reset(),this.maxY=0,this.maxX=0},h.prototype._getMeasurements=function(){this._getMeasurement("columnWidth","width"),this._getMeasurement("rowHeight","height"),this._getMeasurement("gutter","width")},h.prototype._getItemLayoutPosition=function(t){return this._packItem(t),t.rect},h.prototype._packItem=function(t){this._setRectSize(t.element,t.rect),this.packer.pack(t.rect),this._setMaxXY(t.rect)},h.prototype._setMaxXY=function(t){this.maxX=Math.max(t.x+t.width,this.maxX),this.maxY=Math.max(t.y+t.height,this.maxY)},h.prototype._setRectSize=function(t,i){var n=e(t),o=n.outerWidth,r=n.outerHeight;(o||r)&&(o=this._applyGridGutter(o,this.columnWidth),r=this._applyGridGutter(r,this.rowHeight)),i.width=Math.min(o,this.packer.width),i.height=Math.min(r,this.packer.height)},h.prototype._applyGridGutter=function(t,e){if(!e)return t+this.gutter;e+=this.gutter;var i=t%e,n=i&&1>i?"round":"ceil";return t=Math[n](t/e)*e},h.prototype._getContainerSize=function(){return this.options.isHorizontal?{width:this.maxX-this.gutter}:{height:this.maxY-this.gutter}},h.prototype._manageStamp=function(t){var e,i=this.getItem(t);if(i&&i.isPlacing)e=i.placeRect;else{var o=this._getElementOffset(t);e=new n({x:this.options.isOriginLeft?o.left:o.right,y:this.options.isOriginTop?o.top:o.bottom})}this._setRectSize(t,e),this.packer.placed(e),this._setMaxXY(e)},h.prototype.sortItemsByPosition=function(){var t=this.options.isHorizontal?a:s;this.items.sort(t)},h.prototype.fit=function(t,e,i){var n=this.getItem(t);n&&(this._getMeasurements(),this.stamp(n.element),n.getSize(),n.isPlacing=!0,e=void 0===e?n.rect.x:e,i=void 0===i?n.rect.y:i,n.positionPlaceRect(e,i,!0),this._bindFitEvents(n),n.moveTo(n.placeRect.x,n.placeRect.y),this.layout(),this.unstamp(n.element),this.sortItemsByPosition(),n.isPlacing=!1,n.copyPlaceRectPosition())},h.prototype._bindFitEvents=function(t){function e(){n++,2===n&&i.emitEvent("fitComplete",[i,t])
+}var i=this,n=0;t.on("layout",function(){return e(),!0}),this.on("layoutComplete",function(){return e(),!0})},h.prototype.resize=function(){var t=e(this.element),i=this.size&&t,n=this.options.isHorizontal?"innerHeight":"innerWidth";i&&t[n]===this.size[n]||this.layout()},h.prototype.itemDragStart=function(t){this.stamp(t);var e=this.getItem(t);e&&e.dragStart()},h.prototype.itemDragMove=function(t,e,i){function n(){r.layout(),delete r.dragTimeout}var o=this.getItem(t);o&&o.dragMove(e,i);var r=this;this.clearDragTimeout(),this.dragTimeout=setTimeout(n,40)},h.prototype.clearDragTimeout=function(){this.dragTimeout&&clearTimeout(this.dragTimeout)},h.prototype.itemDragEnd=function(e){var i,n=this.getItem(e);if(n&&(i=n.didDrag,n.dragStop()),!n||!i&&!n.needsPositioning)return this.unstamp(e),void 0;t.add(n.element,"is-positioning-post-drag");var o=this._getDragEndLayoutComplete(e,n);n.needsPositioning?(n.on("layout",o),n.moveTo(n.placeRect.x,n.placeRect.y)):n&&n.copyPlaceRectPosition(),this.clearDragTimeout(),this.on("layoutComplete",o),this.layout()},h.prototype._getDragEndLayoutComplete=function(e,i){var n=i&&i.needsPositioning,o=0,r=n?2:1,s=this;return function(){return o++,o!==r?!0:(i&&(t.remove(i.element,"is-positioning-post-drag"),i.isPlacing=!1,i.copyPlaceRectPosition()),s.unstamp(e),s.sortItemsByPosition(),n&&s.emitEvent("dragItemPositioned",[s,i]),!0)}},h.prototype.bindDraggabillyEvents=function(t){t.on("dragStart",this.handleDraggabilly.dragStart),t.on("dragMove",this.handleDraggabilly.dragMove),t.on("dragEnd",this.handleDraggabilly.dragEnd)},h.prototype.bindUIDraggableEvents=function(t){t.on("dragstart",this.handleUIDraggable.start).on("drag",this.handleUIDraggable.drag).on("dragstop",this.handleUIDraggable.stop)},h.Rect=n,h.Packer=o,h}"function"==typeof define&&define.amd?define(["classie/classie","get-size/get-size","outlayer/outlayer","packery/js/rect","packery/js/packer","packery/js/item"],e):"object"==typeof exports?module.exports=e(require("desandro-classie"),require("get-size"),require("outlayer"),require("./rect"),require("./packer"),require("./item")):t.Packery=e(t.classie,t.getSize,t.Outlayer,t.Packery.Rect,t.Packery.Packer,t.Packery.Item)}(window);
\ No newline at end of file
diff --git a/js/packery.js b/js/packery.js
index 91234a7..2247174 100644
--- a/js/packery.js
+++ b/js/packery.js
@@ -1,5 +1,5 @@
 /*!
- * Packery v1.3.1
+ * Packery v1.3.2
  * bin-packing layout library
  * http://packery.metafizzy.co
  *
@@ -8,7 +8,7 @@
  *
  * Non-commercial use is licensed under the GPL v3 License
  *
- * Copyright 2014 Metafizzy
+ * Copyright 2015 Metafizzy
  */
 
 ( function( window ) {
diff --git a/package.json b/package.json
index f09b5f0..8fc3d5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "packery",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": "bin-packing layout library",
   "main": "js/packery.js",
   "dependencies": {