Some preparation work for attacking from rope, parachute and etc.
+ features
* bugfixes
0.9.2 -> 0.9.3:
+ Switch to OpenGL rendering
+ Massive graphics update
+ New animations, weapon sprites
+ New themes 'Snow' and 'Nature'
+ Many new sounds
+ Hedgehog somersaults like in worms
+ Automated parachute
+ Hedgehog can jump even when someone is on its head
* Improve and bugfix statistics
* Fix bug allowing to make stack of hedgehogs using teleport
* Fix fall without damage trick, which could be performed with not attached rope
* Don't show enemy's picked weapon name
* Fix hedgehog moving direction after been shot by shotgun
* Fix bug with handling keys while it is enemy's turn
0.9 -> 0.9.2:
+ Add registration of net game in web
+ Introduce weapons sets support
+ Add teleportation tool
+ Add hedgehogs switching tool
+ Add tags with current damage (alt damage option on options page)
+ A couple of new land templates
+ Decrease network bandwidth usage
+ Add clans support (teams with identical colors are allies)
+ 's' key speeds up demo playing
+ Easter egg
+ Full saves support, 'Saved games' page
+ Add ability to choose which info is shown above hedgehogs
+ AI can use Air Attack weapon
+ Get possible screen resolutions from SDL library
+ Add Desert Eagle and UFO sounds
+ Add parachute sprite
+ Add training mode
+ New theme and map 'Volcano'
+ Moving hedgehog could make another hedgehog moving kicking him
+ Save and restore window size on application restart
* Fix using parachute while staying on the ground
* Fix old rope regression (attaching didn't work properly, when hedgehog is jumping)
* Fix AI jumping to wrong direction on the turn start
* Fix rare conditions causing network game to randomly fail
* Make missiles collide with attacking hedgehog