code: function _setUserInfoFromSocialAccount(){
      return db.users.socialAuthentication('twitter', this.socialUserInfo.id_str)
              .then(function(user){
                  this.userInfo = user;
              }.bind(this))
              .catch(function(err){ // If user isn't found surpress error. If found and still error then throw.
                  if(err.code !== 404){
                      throw(err);
                  }
              });
  }
docs: Function will look up a user by their social id and then assign it to the userInfo object