Fix dependencies to specific versions

Currently using old Enum

Author: garyb

bower.json

@@ -22,8 +22,8 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-enums": "*",
-    "purescript-maybe": "*",
-    "purescript-globals": "*"
+    "purescript-enums": "~0.1.0",
+    "purescript-maybe": "~0.2.1",
+    "purescript-globals": "~0.1.5"
   }
 }