Started rewritting cdb_query_archive
Redesigned the tree utils
created new tree utils
Converted archive to class
Debugged the code and made it work. It is not yet functional.
Made the local path absolute paths. It fixes a bug in optimset.
Almost made optimset work
rewrite almost completed
Bug fixes
some fixes
Updated version to 0.3
Merged rewrite with master. The CDB now has a (fairly) clean code base