Primitive shooting statistics

[szapp]

On every shot, miss and destruction of a projectile increment different counters that can be displayed with the console. The example commands below could print two lines into the console showing the stats for all shots since the last time any attribute from the hero increased (dexterity, weapon skill) and another line with the overall stats since the first start of the game.

freeaim stats bow
freeaim stats crossbow

Outputs:

Stats (current attributes): 523 shots, 130 hits, 40 destroyed projectiles
               Total Stats: 3244 shots, 392 hits, 185 destroyed projectiles