Disease.cpp fixes
Tweaked pain due to heat
Lowered homeostasis adjustement while hot
Merge branch 'fire-head-fix' of github.com:Shoes01/Cataclysm-DDA into test

Conflicts:
	disease.cpp
Save-breaking typo fix: "stablizer" -> "stabilizer"
Factor out a bit of common logic in iuse::sew
Sewing uses rags/leather from far away
Make sewing pluralization saner
Stop clearing artifact_itype_ids after save

Fixes #1213
Fixed defective spiral cavern spirals
Being hot now makes your MORE thirsty, not less
Merge branches 'fixes' and 'new' into fixes
Today's batch of bugfixes.