0.9.9d4 changelist (beta branch update)

[list] [*]Reworked Kraken: - Reduced fragment spread angle 30 -> 10 - Increased fragment move speed 67.5 -> 128 - Reduced fragment turn rate 100 -> 72 - Increased fragment splash radius 7.5m -> 10m - Increased ammo rate 0.25 -> 0.375 - Reduced max ammo 3 -> 2 - Improved fragment FX - Added HUD icon [*]Reduced Thermo ammo rate 0.5 -> 0.375 [*]Reworked exopod droprate to be more consistent [*]Improved secret pickup selection [*]Improved weapon exchange wheel graphics [*]Increased mine launch invulnerability time 0.375s -> 0.425s [*]Added additional HUD feedback for Mega Shield and ammo packs [*]Removed primary bank full HUD messages [*]Improved spawn point selection for ground enemies [*]Fixed meltdown music not being timed correctly [*]Fixed a bug that could cause an excessive amount of Munition Ammo pickups to spawn [*]Fixed a bug related to enemy spawning that could cause a game crash [/list]