cache diff deltas on the first enumeration
whitespace is nicespace
Merge pull request #171 from libgit2/cache-diff

Cache diff deltas on the first enumeration
weak all the things
++sanity
Merge remote-tracking branch 'origin/master' into submodules
Merge remote-tracking branch 'origin/weak-things' into submodules
Get rid of <GTObject> conformance
Better argument/return value documentation
Submodule lookup is not recursive & uses the first match
Rename GTRepository.repository > parentRepository