Update for PHP 7

UPDATED

• Updated and tested for PHP 7

Move field group headers outside of the DL

UPDATED

• Move field group headers outside of the DL

Add field group headers

ADDED

• Add field group headers for rendering w/o a template

Update Pop DB

UPDATED

• Update to popphp/pop-db 3.0.0

Update for PHP 7

UPDATED

• Updated and tested for PHP 7

Add exclude functionality

ADDED

• Add exclude functionality to the addFilter() and addFilters() methods.

Update README.md

Update README.md

Fixed dupe setMarked() issue

FIXED

• Fixed a duplicate/unnecessary setMarked() called in the Form class.

Fixed setValue/setMarked

FIXED

• The setValue() method for Textarea objects
• The setMarked() method for Select, CheckboxSet and RadioSet objects.

Fix datalist options key/value assignment

Fixed

• Add support for only key/value pairs for datalist options