feature_vcs: py3 compat
Commit this and get some distance before the insantiy of art's build 'system' obliterates my brain cells.
Start a test build of just UPS.
Merge pull request #29 from hwaf/wip/py3-support

feature_vcs: py3 compat
UPS builds.
Merge branch 'master' of github.com:brettviren/worch