Add .mailmap to fix a few wrongly-named commits.
Add Must.prototype.permutationOf

Assert the array have the same members, possibly in a different order.
Add more tests for Must.prototype.permutationOf.
Tweak style.
Document Must.prototype.permutationOf.
Merge branch 'features/permutation-of'
Release v0.12.0.
Merge remote-tracking branch 'upstream/master'
Package name changed
Updated dist build