Cast a few other Postgres types.
Fix custom invalid error message (also fixes 1.6 compatibility).
Fix handling of blank form fields.
Merge pull request #15 from carljm/fix-invalid-error-message

Fix custom invalid error message (also fixes 1.6 compatibility).
Merge pull request #16 from carljm/fix-empty-intarray

Fix handling of blank form fields.
Merge branch 'allow-other-types' of https://github.com/ryankask/djorm-ext-pgarray into ryankask-allow-other-types

Conflicts:
	testing/pg_array_fields/tests.py
Minor fix on tests.
Add sphinx documentation and increment version to 0.8
Update CHANGES.rst file.
Update README.rst
Remove unused imports.
Support model validation with choices set on an ArrayField.
Allow user override of form field class.
Merge pull request #17 from carljm/choices-validation

Choices validation
Merge branch 'flexible-form-class' of https://github.com/carljm/djorm-ext-pgarray into carljm-flexible-form-class

Conflicts:
	testing/pg_array_fields/tests.py
Update CHANGES.rst.
Add partial implementation for extending type casting of array field. (#19)
add support for bigint dbtype
Merge pull request #20 from JesseCrocker/master

Add support for bigint dbtype
Fix macaddr tests.