Changes by blabdude - added a note to userID that is it is case sensitive

API-Docs.md

@@ -441,6 +441,7 @@ __________________________________________________________________
 ```js
 {
   username: string, // search string for username
+  // case sensitive
   // minimum for non-exact search is 3 characters, maximum is 64 characters
   exact: Boolean // if explicitly set to true, searches for exact username
 }