Require lazy >= 1.1.
Avoid process.poll() in background thread which breaks the returncode (Python 3.2+).
Run Subversion-finder tests from inside clonedir.
Update to Subversion 1.8 property syntax.
Remove distracting comment.
Add Subversion 1.8 test repo and sandbox.
Update Subversion packages.
Use Subversion 1.8 repo in tests.