Update 1.3.2：

Some level optimization adjustment
Weapon adjustment：
①Mastaba R66：DefaultClipSize 6→8
②Gatling： Damage 3.5→3.0 and StaggerDamageMulti 3.0→1.0
③Desert Eagle Mk XIX：Better weapon models (thanks to cris)
④Elite rifle：DefaultReloadTime 3.5→3.2
⑤Drekker DEL P1：DefaultReloadTime 3.3→3.0
⑥Shelling Nano：audio replacement

Update 1.3.1：

level：Difficulty adjustment for "EX.B"
New weapon: Desert Eagle Mk XIX