changed database for drivers pull, made make_crnl execute in every write call
added a history page for changes, limit file_info to show only latest 5 changes, and put a link to file_changes_history_path in file_info. cleaned up changes table with partial
added chase_drivers attribute to session_data, udpated write_data method to write chase_drivers if it exists/isn't empty
forgot to add file_element.make_crnl call in drivers_update. should fix line endings