Compatibilized item module.
- Restored editing, duplication, and viewing for pre-re and re item modules.
- Added default values for nullable entries in pre-re and re item modules.
- Added setting for Max Base Level in config/servers.php.
- Max Equip Level now defaults to Max Base Level.
- Cleaned up some typos and comments.
Merge pull request #13 from datmumbles/master

Compatibilized item module.