Load language files only when needed & fix tests
Add status of page (published/private) to pages list in ACP
Tweak page list colum widths in ACP
Prevent out of range int values when converting from MOD
Remove unused ext.php
Simplify logic statements for page status in ACP list
Merge pull request #20 from VSEphpbb/updates

Updates - Improve some tests, events and small feature addition