• Fixes #109: Avoid tabbing to the delete and add buttons in ArrayField.
• Fixes #43: Added support for hidden widgets.
• Fixes #114: Added a widget for the date-time string format.
• Fixes #113: Added support for email and uri string formats.
• Fixes #119: Do not render two equivalent labels for checkboxes.
• Fixes #115: Added ui:help uiSchema directive.
• Fixes #117: Imroved docs for Form event handlers.