* Added checks for base types against KaRL containers 
  * equality, inequality, greater than (equal), less than (equal) with base types
* Modified KaRL containers to use Knowledge_Update_Settings rather than Eval_Settings, since these containers no longer support direct send_modifieds calls
* Added Eval_Settings argument to apply_modified
* Added apply_modified to Variables class
* Updated version to 1.5.12

git-svn-id: http://madara.googlecode.com/svn/trunk@1250 2850746a-f1c8-11dd-b507-8b4ecd5210be