Made some fixes for the test framework

package.json

@@ -17,7 +17,8 @@
   "licence": "MIT",
   "main": "./index",
   "scripts": {
-    "test": "mocha"
+    "test": "mocha",
+    "test:watch": "mocha -w"
   },
   "engines": {
     "node": ">= 0.8"

test/support/chai.ts

@@ -1,7 +1,7 @@
 import chai = require('chai');
 import chaiAsPromised = require('chai-as-promised');
-import chaiFuzzy = require('chai-fuzzy');
 import Promise = require('bluebird');
+var chaiFuzzy = require('chai-fuzzy');
 
 chai.use(chaiAsPromised);
 chai.use(chaiFuzzy);

typings/concoction/concoction.d.ts

@@ -60,14 +60,14 @@ declare module Concoction {
          * Creates an ingredient which renames an object's properties
          * @param {Object} mapping A map from the original object names to the names you wish to use
          */
-        (mapping: { [key: string]: string }) : Ingredient;
+        new(mapping: { [key: string]: string }) : Ingredient;
     }
 
     export interface ConvertStatic {
         /**
          * Creates an ingredient which converts an object's properties from one form to another
          * @param {Object} mapping A map of object properties to their conversion functions
          */
-        (mapping: { [key: string]: Ingredient }): Ingredient;
+        new(mapping: { [key: string]: Ingredient }): Ingredient;
     }
 }