Revision history for Lingua-HPSG

0.01    2009-10-03/17:27
        created package
0.02	2009-10-09/15:56
	added classes representing the feature-structure tree on p61
0.03	2009-10-11/15:41
	* removed the Agreement namespace (we'll note agreement with roles)
	* added Lingua::HPSG::Feature namespace for feature definitions
	* added some classes to
          Lingua::HPSG::FeatureStructure::Expression which were new on
          p84