Replace bolas with a net until we have plural item names
Rename bolas to a set of bolas, fixing the pluralization problem
Fix trajectory changes when already flying
Explode potions at target floor tile, even if no wall
Don't let AI waste leaders for melee
Add more explosion effects from common items
Identify an item if at least one effect was obvious
Fix pushing and pulling effects
Fix the message when a projectile is blocked
Keep only as many void effects as needed to make identification non-trivial

Also, don't report no effect for projectiles to avoid spam.
If the actor pulls himself, make him push
Only report NoEffect if no other effect
Report when effect affecting equipment does nothing
Report full regeneration also when not regenerating one of the stats
Fix game over via escape
Make actor more likely to flee and to clear stairs
Tweak alien safari mode
Fix throwing from other actor's inventory