Changed ObjectModelSerializer to serialize a DateTime object to the ATOM format
Fixed bug with exception.
Missed 'use' statement
Revert "Fixed syntax errors with throwing exceptions."

This reverts commit a511870aad3f8c08126ba97b46128f67c35a91d7.
Update InternalOrderByInfo.php
Merge pull request #111 from LewisW/master

Changed ObjectModelSerializer to serialize a DateTime object to the ATOM...