zDrawer

• Correction du stockage en Sqlite, the pending backup drawers will be properly backed up when the server will shut down.
• Added log if debug mode is active to have more information about loading drawers.

Fix drawer load

• Add new command /zdrawer convert <type> Convert data to another storage type (zdrawer.convert)
• Add WorldGuard Access Verification
• Change default configuration to SQLITE
• Fixed item deletion error when drawer adds item and fills drawer
• Fixed left click on drawer with item in hand

- Add option enableBreakMaterial
- Fixed duplicate entities