RELEASE NOTES FOR THE xUML-RT txtUML API
2015-07-14

New feature: Data types
 - Data types can be implemented as Java classes extending 'DataType'.
 - Attributes of data types can be of basic UML types or other data types.
 - Recursive data types are not allowed (neither directly, nor indirectly).
 - Data types should be used as immutable Java classes, all of their attributes must be 'final'.
 - The following methods are provided by default for all data types: clone, equals, hashCode.