Merge pull request #147 from treeowl/IsString
authorMilan Straka <fox@ucw.cz>
Mon, 16 Mar 2015 15:02:26 +0000 (16:02 +0100)
committerMilan Straka <fox@ucw.cz>
Mon, 16 Mar 2015 15:02:26 +0000 (16:02 +0100)
Add IsString instance


Trivial merge