xF2 Add-on AndyB Change author 3.4

Change author v2.3 changes:

Now using finder for performing database queries.

Change author v2.2 changes:

Now using finder for performing database queries.

Change author v2.1 changes:

Fixed issue with dealing with Enhanced search. If you're using XFES you use the "Rebuild search index" function after making changes with the Change author add-on.

Change author v2.0 changes:

Fixed issue dealing with last post information in forum list.

Change author v1.9 changes:

Updated error phrases to help identify issues.

Change author v1.8 changes:

Fixed issue with updating index in Enhanced search when using XF v2.0.

Change author v1.7 changes:

Now using Guzzle for HTTP requests.