Fixes #4058
Fixes #4050
Fixes #4042
Allows gibs to be scanned for DNA.
Fixes #4040
Fixes #4034
Possible fix for #3712
Amendment to chemistry beaker range fix.
Merge pull request #4069 from Zuhayr/master

Bug fixes.
Merge pull request #4070 from RavingManiac/master

Crouching monkey, hidden mousetrap
Simplified the monkey pulling check as per Giacom's suggestion.