Bump version number
Update the VAULT room to automatically sort items into the chests

* one chest is set as the drop chest
* all other chests in the 16x16x16 chunk are set as storage chests
* place at least 1 block/item into the storage chests
* blocks/items placed in the drop chest will automatically be sent to
the chest with the same block/item in it
* add a sorter chest to existing VAULT rooms with the `/tardis update
vault` command
Better naming convention for drop chest
Upgrade regular biome disks to mega biome disks
Fix broken `/tardisroom add` command
Remove unused method
Remove more block ID usage
Prevent Lockette exploits
Prevent autonomous travel to TARDIS creation area
Add the ability to change the TARDIS 'desktop theme'

Command: `/tardis desktop`
Permission: `tardis.upgrade`

Not finished - need to clear old blocks when downgrading to smaller
size etc
Jettison unused blocks if downgrading to smaller TARDIS
Open upgrade GUI if SHIFT-clicking ARS sign
When downgrading reset ARS slots to stone
Remove debug statements
Link desktop theme speed to `growth.room_speed`
Add config option to set a % cost if only changing walls and floor
Tidy
Teleport player to safe location if necessary when downgrading
Display the reduced cost
Update creation help message to use Seed blocks