* FEATURE: Added copy function to Knowledge_Base, Knowledge_Base_Impl and Thread_Safe_Context
  * Allows for specifying a copy set and whether resulting destination should be cleared of knowledge before copy
  * Ideal for partial checkpointing applications
* TESTS: Added test for copy function 
* DOCUMENTATION: Fixed commenting issue in Native_*_Vector.h
* DOCUMENTATION: Fixed param issue in commenting of Generic_Filters.h
* Updated version to 1.9.2

git-svn-id: http://madara.googlecode.com/svn/trunk@1376 2850746a-f1c8-11dd-b507-8b4ecd5210be
* Fixed small issue in test_context_copy's printouts in regards to test id

git-svn-id: http://madara.googlecode.com/svn/trunk@1377 2850746a-f1c8-11dd-b507-8b4ecd5210be