Changes:
- Human Bump() code cleansed.
- Drones have been unsnowflaked from the Bump(), they are now density 0.
Happy side effect; they can walk under people now.
- Human attack_alien() code cleansed.
- Mostly shitty insane checks.
- Human damage/husking code cleansed.
- More shitty insane if statements.
- Human retarded speech moved out of insanely long pick() proc, made into
lists.