HISTORY
-----------------------------

0.5.1. First published version (2009-01-05)
0.5.0. Major rewriting: abandoned the original idea of traits as
       mechanism to control namespace pollution and added support for
       method cooperation (2008-08-31);
0.4.0. Added proper support for retrieving descriptors
0.3.0. Went back to TOS classes not instances of TOSMeta
0.2.0. Made all TOS classes instances of TOSMeta and managed
       metatype conflict resolution
0.1.0. Initial release (2008-08-16)