title: sailsjs array query Exact match
body: <p>i want to query mongodb in sailsjs.
  this is structure of my db</p>
  
  <pre>{
      "users": [
          "52ed09e1d015533c124015d5",
          "52ed4bc75ece1fb013fed7f5"
      ],
      "user_msgs": [
          {
              "sender": "52ed09e1d015533c124015d5",
              "sendTo": "52ed4bc75ece1fb013fed7f5",
              "msg": "ss"
          }
      ],
      "createdAt": ISODate("2014-02-06T16:12:17.751Z"),
      "updatedAt": ISODate("2014-02-06T16:12:17.751Z"),
      "_id": ObjectID("52f3b461f46da23c111582f6")
  }</pre>
  
  <p>I want to search those "users" who who match array<pre>  [
          "52ed09e1d015533c124015d5",
          "52ed4bc75ece1fb013fed7f5"
      ]</pre><pre>
  Message.find({user: ["52ed09e1d015533c124015d5","52ed4bc75ece1fb013fed7f5"]})</pre>
  <br>this query returns all objects which contains 1 OR 2 ..but i need only those which exacly match 1 AND 2,
  i have also tried $all, and etc.. but did not worked 
  please tell me how to write query with sailsjs supported syntex to get those user</p>