Merge pull request #23 from ekmett/master
authorMilan Straka <fox@ucw.cz>
Sun, 25 Nov 2012 17:19:56 +0000 (09:19 -0800)
committerMilan Straka <fox@ucw.cz>
Sun, 25 Nov 2012 17:19:56 +0000 (09:19 -0800)
Allowing gunfold for Map, IntMap, Set, and IntSet.


Trivial merge