Modtype tweak.
More fixes.
Nice colours (and a minor bugfix)
Stage 1: deconstruction.
Part 2: construction.
Part 3: fixing shit
Merge pull request #3253 from Spamcat/signs

Signs
Merge pull request #3252 from Segrain/bleeding-edge-freeze

Examining cyborgs.
Updated pulse checking on examine, optimized handle_pulse(), fixed some grammer.
xoxo chinsky