Minor bugfixes and additions to Christmas content.

See title.
Tigercat's Spacepod fix

Fixes some issues with 2 seater space pods. They should now correctly
clear the occupant var and accept dead/critical passengers as intended.
(Tiger did the work, I'm just posting it)
Merge pull request #101 from FalseIncarnate/master

Tigercat's Spacepod fix
Merge pull request #100 from fj45/master

Minor bugfixes and additional winter clothing.