McCassidy rework

Primary fire:

damage: 3.5-∞
damage falloff: -350%, or reverse damage falloff, increase damage with distance, now it's 3.5 of distance(must be -passive, but it dosen't fit seconadary fire)

Seconadary fire:

now shoots by 3 rounds, by 6 if button is hold
slowdowns target by 15% for 3s

Granade:
cooldown: 10s
damage: 20
repels both enemies and McCassidy