Merge 'bool_operator' into 'trunk'

r6207@Thesaurus (orig r6206):  nigel | 2009-05-11 15:10:44 +0200
New branch for -bool operator integration
r6208@Thesaurus (orig r6207):  nigel | 2009-05-11 15:38:52 +0200
Added -bool/-not_bool operators - required some refactoring
r6209@Thesaurus (orig r6208):  nigel | 2009-05-11 15:39:33 +0200
Imported POD/POD::Coverage tests
r6212@Thesaurus (orig r6211):  nigel | 2009-05-11 21:23:01 +0200
Made unary_ops a direct equivalent of special_ops with supporting documentation.

r6298@Thesaurus (orig r6297):  nigel | 2009-05-18 17:00:52 +0200
Doc typo fix
r7352@Thesaurus (orig r7349):  nigel | 2009-08-20 11:55:53 +0200
Reduced regex munging of operators and streamlined backcompat syntax implementation.

r7527@Thesaurus (orig r7524):  ribasushi | 2009-09-03 21:41:47 +0200
Final cleanups