v3.1.2

v3.1.1...v3.1.2

• more robust max prestrafe limit thing to replace something from v3.1.1 dd0059f
• fix crash that came with the player_speedmod hook 0000000
• added bhop_lowg to mapfixes 7399512
• small change to prespeed_ez_vel's internal stuff to maybe prevent the -2147483648 velocity thing from happening and freezing you 0000000