1.0.4

	Included ATBlob in content types so that patching
	content_classes has all standard Plone content types.

1.0.3

	Added info about archetypes.schemaextender in readme.txt.

1.0.2 (2012-01-26)

	Correct version number.

1.0

	Added function to add validators to existing content types.

1.0

	Initial release
