-new: Location based Segmentations
-new filter: mailster_form_field_label_[field_id] to alter the label of form fields
-improved: simplified location based tracking with auto update
-improved: Export page now offers conditional export and saves defined settings.
-improved: Delete page now offers conditional deletion.
change: active campaigns are now included in aggregated items in conditions
-fixed: odd offset issue on hover in editor
-fixed: importing emails with single quotes
-fixed: JS error when switching back from codeview with no head section
-fixed: do not redirect after unsubscribe
-fixed: removing a user from a blog on a multi site now correctly removes subscriber