0.9.9d changelist (beta branch only)

This update introduces significant gameplay changes, with some features still under development. To access these changes, select "beta - Public Testing Branch" from the version list in Steam. These changes will be included in a regular release in the near future. [b]Changelist[/b] [list] [*]Added weapon wheel for exchanging weapons [*]Weapons without ammo can no longer be selected [*]Added additional HUD feedback for selecting and exchanging weapons [*]Added binding for navigating to nearest unexplored group (default keyboard binding is "x") [*]Maximum weapon slots reduced 4 -> 3 [*]Shield and ammo pickups dropped by enemies will now despawn after a moderate delay [*]Removed Mine Ammo pickup [*]Secondary Ammo pickup reworked - Renamed to Munition Ammo - Adds equal ammo for both secondaries and mines [*]Removed bonus lives earned from credits [*]Reworked Resurrector spawning - No longer limited to secrets - Now more likely to spawn when players are out of lives [*]Reworked weapon pickup spawning - Now takes current player loadout into account - Now takes all previously dropped weapons of the run into account - Now selects a roughly equal distribution of primaries, secondaries and mines - Reduced overall weapon drop/spawn rate [*]Increased exopod drop/spawn rate [*]Added Kraken secondary [*]Added Mega Shield pickup - Adds 128 shield - Bonus can exceed ship max shield [*]Increased Ion Ray ammo cost 12/15/18 -> 16/20/24 [*]Increased Foamphase ammo cost 32/48/64 -> 32/64/80 [*]Increased Ack-Am ammo cost 36/52/72 -> 40/80/96 [*]Increased Superpod hull 96 -> 128 [*]Shade adjusted: - Increased turn rate - Increased ethereal duration [*]Damage from melee enemies now penetrates shield [*]Fixed ammo bonus from Ammo Pack and Munition Pack being reset by normal ammo pickups [/list]