Merge pull request #1 from xeno-by/master

wip tree conversion
Merge pull request #2 from xeno-by/master

minor progress
Merge pull request #3 from xeno-by/master

some more progress
Reactivated tests :)
Merge branch 'master' of github.com:miniboxing/valium
Merge pull request #4 from xeno-by/master

finished typing the rules