elite hp 5x -> 4x
elites do 10 dmg rather than 1
elites give 1 coin on death rather than 2
fixed advanced tech achievement
snail hp 120hp -> 500hp (this might sound like a lot but the snail is really slow)
fixed being able to upgrade max xp towers
spider hp 38hp -> 45hp
moved some text around a little
changed the window title and icon
flamethrower
lvl 1: 3dmg -> 1dmg
1.5shootingdur -> 0.8shootingdur
lvl 2: 6dmg -> 2dmg
1.9shootingdur -> 1.2 shootingdur
lvl 3: 9dmg -> 3dmg
2.2shootingdur -> 1.6shootingdur
magnifier
lvl 2: 0.14dmg -> 0.12dmg
lvl 3: 0.3dmg -> 0.25dmg
difficulty 1
health: 5% -> 10%
enemy amount: 10% -> 15%
towers: {4, 6, 7, 8, 9} -> {4, 6, 6, 7, 8}
difficulty 2
health: 10% -> 15%
enemy amount: 20% -> 25%
