PodioItemDif revert return fixed;
Revert "PodioItemDif revert return fixed;"

This reverts commit b5d0dc1efac82ce06a3e82106bb82f110dbc1087.
Update PodioTaskLabel.php
Looks like the API changed a bit
Discard calculation fields when saving or creating PodioItem instance. Fixes #61
Assign new ID to $this when creating item and task. Fixes #65
Add options for item
getting raw file contents as (temp file-) resource.
this is usefull for minimal memory settings.