more updates

exercises/exercise3/InMemoryApi/routes/api/v1/contacts.js

@@ -6,7 +6,7 @@ You will need to define the following routes:
   contacts in your application and a response code of 200
   2) POST: it will respond to a POST request that will generate a 
   new instance of a contact and add it to the in memory collection
-  and a response code 201
+  and a response code 201 and a message saying "successfully added contact".
 2) /api/v1/contacts/:id
   This route will need to responde to 4 requests:
   1) GET: it will respond with the serialized form of the requested
@@ -21,12 +21,13 @@ You will need to define the following routes:
   conditions, e.g. if you are passing values for both the firstName and lastName then
   your matches need to match both query parameters. Note: query params end at the end of the route,
   and all come after the ? character and are combined with a &.
+  /api/v1/contacts/:id
   3) PUT: it will update the resource with the information attached in
   the req.body property.   
   Your route should respond with a 201 response code along with the updated
   resource otherwise 404 with an error message of "unable to update resource".
   4) DELETE: it will remove the contact from the collection with the matching id 
-  in the request.params object and respond with a status code of 201 alone with 
+  in the request.params object and respond with a status code of 201 along with 
   the deleted resource in the response. If the resource is not found the route should
   respond with a 404 error and message "resource not found".