- 0.172.0:
* support --lastsucceeded/--last-succeeded in "osc buildlog", "osc
remotebuildlog" + friends (perform the corresponding operation on
the build log of the last successful build)
* fix pypi deployment via Travis CI
* several fixes in request related code paths (no double html_escape
of a request's description etc.)
* support local builds in a systemd-nspawn container
* fix potential TypeErrors+UnicodeEncodeErrors in the util.cpio and
util.ar modules
* support local flatpak builds (requires a recent build version)
* "osc init " works for a non-existent (server-side) project
* .old dir support for source services so that some services have access
to the results of a previous service run