-------------0.0.15.0---------------
*Fixed player bullets being able to go through some walls
*Shotgun guards in the arena
*Level 9 has received changes
*Level 6 ghosts are slower; previously they seemed faster than other levels
*No more blood pools
*Added blood spray from bullet contact with enemy
*Turret disabled when path-finding enabled; vice versa
*Added blood spray on bullet contact with player
*Fixed levels HUD; regarding ammo count for shotgun
*Bullets do less damage to player - due to increased enemy difficulty
*Fixed enemy bullets being able to pass through some walls
*Changes made to Arena layout
*Fixed player health exceeding 100
*New leader-board - 'Best Cheaters' : who can get the most kills while using cheats???