Created ConstraintType and Constraint meta-classes. Added DataType.constraint and Member.constraint properties. Added SimpleDataType.extension property. Changed StructuredDataType.extension property multiplicity to *. Created EnumDataType meta-class. Added intValue and boolValue properties to LiteralValueUse.

Updated layout and appearance of Procedure, ActionFunction, DynamicDataUse, Time, TimeOp, TimerOp, TestConfiguration, TestDescription, DataMapping, BasicData, CollectionData

Added extension property to AnnotationType, StructuredDataType, ComponentType and GateType + updated Miscellaneous, StructuredData and ConfigTypes diagrams.