Increased test coverage
Extend documentation on widget error handling
US #97 Optional package for plugin widgets
US #64 - Button new on RelationTableWidget
US #64 - Update documentation
US #64 - Fix tests
Fixed widgets don't show value 0
Special attributes like dateCreated and lastUpdated use now LabelWidget
US/62 api pagination
US/62 pagination
US/62 fix many to many pagination
Fix getValueForJson for DateInputWidget
Fixed widgets don't show value 0
US #101 - Render errors on relations
Fix tests
US #91 empty string handler with new attribute
Fixed problem with listings when displaying hierarchy object
Fixed problem with not instantiable objects on widget
US #69 - Update css
Fixed problem in lists