Various updates
Bugfixes:
* Attempts to fix an infinite loop causing a complete crash, in the fire system
* Small fixes to floorbot
* Fixes inability to spike food

Changes:
* Setting the groundwork for a second holodeck, not yet implemented
* Meaty ores should be scarier maybe
* Nar-Sie will be scarier
* Minor change to changeling objectives
* Dirt and vomit will no longer survive explosions
* Corgi crates will no longer always be Lisas.

Additions:
* Makes the cloaking device viable.  It runs off battery power and can be called in by traitors.
* Adds a pet collar for renaming pets.  It comes with every new Corgi and can be found in closets randomly.

Not-additions:
* Added a power short that eats up energy and produces heat, not used
* Adds a portable chem-master that is terrible and spawn-only
* Adds dynamite that is kind of terrible and spawn-only