Fix tunnel drawing (specially for desert eagle)

Aware that not visible pixels are not ground, whatever their color under alpha-channel is

By Tiyuri: - Some sprites update - New gravestones

Use hedgehog with air attack weapon sprite

- Use hedgehog jumping sprite - Fix invisible hedgehog state bug

Use ammo-in-hand sprites for desert eagle, shotgun and bazooka

Use 'rope gun' sprite

Use 'regular standing' and 'rope swing' hedgehog sprites

Fix fall without damage trick, which could be performed with not attached rope

Fix bug allowing to make stacks of hedgehogs with teleport

Fix drill bug

Fix accessing to freed memory

Sprites update by Tiyuri

Use sounds 'stupid' and 'missed'

Start implementing better statistics implementation (does nothing yet)

Fix potentional syncronizing bug

Fix memory corrupt due to wrong parameter in sizeof()

Forgot to svn add file :P

Snow theme and some sprites update by Tiyuri

Fix hedgehogs switching hang

Fix arithmetics

2 frames demo flake

Finish flakes implementation

Flakes concept, still need some development

Oops, forgot a file

- Use cloud as 'visual gear' - Small fixes

Start implementing 'visual gears' - gears, that don't need to be synchronized (clouds and flakes)

- 'Incoming!' shout when the plane appears - Opponent's hedgehogs says you "I'll get you!"

- Your hedgehogs says you: "Yes, sir" - Hedgehog laughs dropping mine

- Commit voice sounds by Stephen Alexander - Use jump sounds