2.5.0

Features :

• #626 Add "disable_template" option for plugins invert, not-group, sortable
• #642 Add optgroups support for values
• #603 Add support for filter icons (via plugin)

Fixes :

• #544 Always convert int, float and bool values
• #490 Generate valid HTML
• #537 #627 Update to interact 1.3
• #604 Prevents elements for having display: block when they souldn't
• #641 not-group parsing errors from SQL