Adding formatXML method.
Removed "setRecordFoldersIfEmpty"
Fixed formatXML method, removed lines regarding generateUniqueRequestId Method.
Merge branch 'format-xml' of https://github.com/pierrevanhulst/LiipSoapRecorderBundle into format-xml

Conflicts:
	Client/RecordableSoapClient.php
Merge pull request #1 from pierrevanhulst/format-xml

Adding formatXML method