Fixed warning - incompatable plugins
Merge pull request #2 from Jshauk/master

Fixed incompatible plugins
Merge pull request #3 from dangerousleeharris/master

fixed incompatability problem(s)
Fixed addSibling error
Merge pull request #4 from Jshauk/master

addSibling error fix
Added a way to add css and javascript to pages
Created plugins "tab.php," and "tabs.php"