numbers v7 -> v8

Author: thomashoneyman

bower.json

@@ -26,6 +26,6 @@
   "devDependencies": {
     "purescript-assert": "^5.0.0",
     "purescript-console": "^5.0.0",
-    "purescript-numbers": "^7.0.0"
+    "purescript-numbers": "^8.0.0"
   }
 }