Patch 1.0 -> 1.9

* New achievement: Really Impossible - Win the game on medium without dying
* New achievement: Medium Speedrun - Win the game on medium under 13 minutes
* New achievement: Unstoppable - Win the game on hard taking no more than 3 hits
- Credits displayed the same names twice in a row
- Changed sound effects for Mewrio fight
- Mewrio's big ball had a weird hitbox allowing cheese strats and was also damaging the player incorectly
- Multiplayer spawned players outside of the field
- Super hero achievement did not trigger
- Best cat in the world achievement did not trigger
- World achievements did not trigger properly
- Items leveling was not working
- Ballanced a lot of levels
- Fixed max hp not getting properly displayed after hitting a warp
- Final boss phase 1 nerf
- Final boss phase 2 nerfed, shortened on medium and hard, removed cheese strats
- Final boss phase 3 had a cheese strat allowing the player to skip parts of the phase
- Buffed early game (mini)bosses
- Renamed jump refreshers to multijump orbs. They now add a jump regardless of the situation
- Buffed Atk and Def badges and perks
- Buffed death charm
- Fixed extra jump consummable
- Skills are now correcly stacking
- Def calculation was not done correctly
- Icecat's icicles were not disappearing correcly after the fight
- Falling speed when out of water reduced
- Falling speed when dropping from a sticky wall reduced
- Nyanko phase 2 had a wall attack glitch
- Items are now consumed when beating a (mini)boss and hitting a save
- New players will start the game with 100 coins to spend on upgrades
- Restarting a run on online mode single player will work as expected