Intmaniac

-----

- Removed multi-threaded execution of tests / test sets
- Changed file format (moved ``test_commands`` out of ``meta`` subdict)
- Changed file format (no more "arrays of test sets")
- Changed execution order of tests (in alphabetical order by test set key), same for tests
- Added explicit test for ``test_commands``, ``meta.test_before``, ``meta.test_after`` command construction

-----

- TeamCity outputs pretty sensbile now

-----

- added configuration fields ``test_before`` and ``test_after``
- won't mention "cleanup and bugfixes" any more

-----

- changed test directory logic, is now ``$pwd/intmaniac_$PID`` by default
- command line settings override everything now
- fixed a couple of bugs
- internal restructuring

-----

- fixed bug in cleanup command execution
- fixed bug in exception logging (yeah)
- fixed logging output diarrhoe

-----

- fixed string handling bug