Bootstrap Form 4.0

Style issue fixes
Compatibility with PHP7.0

PHP Bootstrap Form 3.99.1

New Documentation
shared attribute should be actual div size class (col-md-3 col-xs-6 etc)
Bugfix for renderArray()
checksort inline fix
Fixes for shared count and shared cell example
prepend/append fixes
new api: Fix render() with css and js includes
fix checkbox and radio rendering
new api: Set id to name if name is defined
Form::renderArray() Added optional $buttons parameter to add extra buttons
cleanup Resources/

PHP Bootstrap Form 3.99

Initial version. Lets keep version 4.0 for bootstrap 4.0