8BitBoy 1.44 - Pinpoint accuracy and increased performance

There is few but important updates this time. The first important update is the pinpoint accuracy when jumping and hitting rocks and tiles. You can now pinpoint exactly which tile you wan't to hit. The other major update is increased performance in the game in general. On some GPU's it as much as 100%. The last update is a tutorial after the initial intro of the game. Learn trail shooting and more important - to shoot upwards. There is also a part about power-ups and jumping. - Pinpoint accuracy when hitting tiles - Huge performance increase - Tutorial after intro - learn the upwards shot - Boss world 3 wall hang bug (fixed) - Cactus falls of screen when dead (fixed) - Intro (falling) edited and added animation and sounds