Removed :all_options tag documentation
Use the new proper conditional syntax
Added for="" property to <label> when displaying the field

Updated the form_checkbox call to use a single $field_data array. Added
for="" property to the label that connects it with the option_name.
Merge pull request #3 from GDmac/master

Fixed Field Required validation for P&T Multi-select
Merge pull request #4 from lukesturgeon/master

Added 'for' attribute to checkbox and radio button <label>s
Unique IDs
EE 2.7.0 compatibility