Experimental: SP Online support

This branch is still in development as is not yet fit for use by anyway.

This branch contains experimental code for SP online support and PSR-0 autoloading.

To use, try:

	include("bla/SharePointAPI.php");
	use Thybag\SharePointAPI;
	$api = new sharepointAPI("user", "pass", "stuff/Lists.asmx.xml', 'SPONLINE');


Todo:

 - [x] Connect to SharePoint online
 - [x] Read from a list
 - [x] Edit a list item
 - [x] Delete a list item
 - [x] Clean up & re-factor
 - [x] Full feature test