Wrapped interfaces in module. Updated tests.

flight/flight.d.ts

@@ -7,8 +7,41 @@
 
 
 interface FlightAdvice {
+    /**
+     * Run the customFunc function after the existingFunc function.
+     *
+     * @param existingFuncName The name of the existing function (existingFunc)
+     *        you want to augment.
+     *
+     * customFunc The function to be invoked after existingFunc.
+     */
     after(method: string, fn: Function);
+    
+    /**
+     * Run the existingFunc function in the middle of the customFunc function. 
+     * It's similar to underscore's _wrap function).
+     *
+     * @param existingFuncName The name of the existing function (existingFunc) 
+     *        you want to augment.
+     *
+     * customFunc The function to wrap around existingFunc. The existingFunc 
+     * function will be passed to customFunc as an argument.
+     *
+     * The existing function is passed to the custom function as an argument so
+     * that it can be referenced. If the custom function does not call the 
+     * existing function then it will replace that function instead of 
+     * surrounding it.
+     */
     around(method: string, fn: Function);
+    
+    /**
+     * Run the customFunc function before the existingFunc function.
+     *
+     * @param existingFuncName The name of the existing function (existingFunc)
+     *        you want to augment.
+     *
+     * @param customFunc The function to be invoked before existingFunc.
+     */
     before(method: string, fn: Function);
 }