Merge pull request #154 from Pacane/master

Added hook on paste event to search for the pasted input.
Added event hook on drop event. Works only for multi-select dropdown.
Fix issue #105
Merge pull request #156 from ArcBees/jd_105

Fix issue #105
Better management of selected values when the select element has selected options.
Fix issue #144
Merge pull request #157 from ArcBees/jd_144

Better management of selected values when the select element has selected options.
Introduce ChosenValueListBox and MultipleChosenValueListBox
revert example
Merge pull request #155 from Pacane/adding-drag-and-drop-handler

Added event hook on drop event. Works only for multi-select dropdown.
code review
Merge pull request #158 from ArcBees/jd_value_listbox

Introduce ChosenValueListBox and MultipleChosenValueListBox