Implemented Manifold and associated UT.
UT passes.

git-svn-id: svn://graphite/hackamore/trunk/Hackamore@123 57787f05-46dc-4277-aca0-fea81b7b9c9c
TestTrace and TestCredentials now use tempfile module.
ViewSingleStep now doesn't sent ESC sequence to Eclipse console.
Minor tweak to Manifold (and I can't remember what it was).
All UTs pass.

git-svn-id: svn://graphite/hackamore/trunk/Hackamore@124 57787f05-46dc-4277-aca0-fea81b7b9c9c