docs: function(query, params, callback) {
              if (!callback && utils.isFunction(params)) {
                  callback = params;
                  params = {};
              }
              
              callback = callback || function() {};
              params = params || {};
              
              params.q = query;
              
              return this.get(Paths.parser, params, function(err, response) {
                  if (err) {
                      callback(err);
                  } 
                  else {                    
                      callback(null, response.data);
                  }
              });
          }