message: Added readme information for search parameter
diff: @@ -222,6 +222,17 @@ client
  })
  ````
  +### $search
  +Pass a searh string to `.search()` for searching message and person collections.
  +````js
  +client
  + .api("/users")
  + .search("Irene McGowen")
  + .get((err, res) => {
  + console.log(res)
  + })
  +````
  +
  ## Other API methods
  ### .version()
  