model-0.4: CHANGELOG

Significant and compatibility-breaking changes.

Version 0.4:
	- Data.Model.Types:
		- Modified type of 'constructors' and 'constructorInfo'
		- Removed instances of StringLike (replaced with Convertible)
	        - Modified behaviour of conversion from String to QualName
	- Data.Model.Util:
	        - modified type of 'mutualGroups' and 'transitiveClosure'

Version 0.3:
   - Data.Model.Util:
	- Removed 'dependencies'
	- Added the (similar but not identical) function 'transitiveClosure'