Added Machine and Machine UT.

git-svn-id: svn://graphite/hackamore/trunk/Hackamore@57 57787f05-46dc-4277-aca0-fea81b7b9c9c
Refining Machine and its UT.

git-svn-id: svn://graphite/hackamore/trunk/Hackamore@58 57787f05-46dc-4277-aca0-fea81b7b9c9c