Fixed SQLite database error, added permissions and auto tab commands
+ Added tab enderchest command for /invsave history <player> enderchest
+ Added tab enderchest command for /invsave view <player> enderchest
+ Added tab enderchest command for /invsave save <player> enderchest
+ Added permission invsave.command.invsave.history.enderchest to use /invsave history <player> enderchest command, player must have also permission invsave.command.invsave.history.
+ Added permission invsave.command.invsave.view.enderchest to use /invsave view <player> enderchest command, player must have also permission invsave.command.invsave.view.
+ Added permission invsave.command.invsave.save.enderchest to use /invsave save <player> enderchest command, player must have also permission invsave.command.invsave.save.
* Fixed SQLite bed saving enderchest inventories