Entities test finalized
Specs for check() and a few other methods
Method self.check moved from Entity to Attributes
Fixing and checking Attributes.check
New error defined: AttributeNotDefinedError
Extending specs to cover other functions in check!
Error indicating illegal action on converted defs
Starting reimplementation of check! (incomplete)
check! reimplementation finalized
check! specs extended even more
Explicitly forbid attribute keys starting with _
Move underscore check to a better location
Use simple /^_/ match to distinguish properties
Attribute specs finalized
Merge pull request #59 from sustr4/specupdate

Another batch of specs, focusing on Occi::Core::Attributes