use latest monoids

Author: paf31

bower.json

@@ -30,7 +30,7 @@
   "dependencies": {
     "purescript-tuples": "~0.2.1",
     "purescript-either": "~0.1.3",
-    "purescript-monoid": "~0.1.4",
+    "purescript-monoid": "~0.1.5",
     "purescript-arrays": "~0.3.0",
     "purescript-control": "~0.2.1",
     "purescript-identity": "~0.1.0"