Added development requirements
Merged README.rst from development
Merge branch 'development'
Rename some methods to avoid noses' overzealous discovery!
Simplified timezone classes and removed base class
Added test cases for validators
Modified test simple generator to work with callable objects
Added support to ArrayField to specify a type of filed to use for validation.
Expanded test coverage to cover all the various field types.
Updated highlights with new Date support
Split ArrayField with a type into a TypedArrayField