Unreleased Changes

Issue - e.preventDefault() on dragging handle - Call e.preventDefault() when user is dragging handle to prevent the entire screen from scrolling around

v0.1.1 (2017-03-14)

Feature - Travis-CI - Introduced Travis-CI integration, and made dependencies more tidy and clear
Issue - Double-define - Fixed double-define bug, in which somehow customElements.define has been called two or more times when the library is used on Safari
Issue - Initial value synchronization - Let the initial property values be applied to UI appearance
Feature - Exposing version - Now we can get the module version by executing CustomRangeInput.version

Feature - step property - Elable to specify value updating granularity
Issue - ShadyCSS styles - Now style rules with :host selector is applied to host elements on those browsers which lack ShadowDOM feature (e.g. Firefox and IE 11) as well. Shadow DOM elements / styles are adapted to those browsers by ShadyCSS.prepareTemplate()
Upgrading - Docs / LICENSE - Inserted docs and license statements to top-level codes
Upgrading - Tests - A minimum test with web-component-tester
Upgrading - npm publishing - Prepared to publish as a npm package
Issue - Type assertion - value property is set after the given value is asserted to be number