Update package.json chai and tv4 versions

Allow chai 2.x and tv4 1.1.9

Author: Paul Thompson

package.json

@@ -39,7 +39,7 @@
   },
   "dependencies": {
     "jsonpointer.js": "0.3.0",
-    "tv4": "~1.0.16"
+    "tv4": "~1.1.9"
   },
   "devDependencies": {
     "grunt": "~0.4.2",
@@ -56,6 +56,6 @@
     "requirejs": "~2.1.11"
   },
   "peerDependencies": {
-    "chai": ">= 1.6.1 < 2"
+    "chai": ">= 1.6.1 < 3"
   }
 }