Update 0.4

Updates:

• Added a new forest level that increases the enemy spawn amount and health (unlocks after beating the first arena)
• Beat wave 35 to move on to the next stage
• Balanced the dagger ability so it does not pierce anymore
• Added a new ghost enemy (based on the old wizard enemy movement)
• Changed the wizard enemy so it is now a ranged enemy that shoots fireballs
• Added a "More Health" meta upgrade that increase's the player's max HP
• Allowed the player to buy more quantities of various meta upgrades to help with the end game content
• Elite enemies drop red experience vials that give more experience
• Fixed the "Health Regen" meta upgrade so that health regens every 30 seconds instead of 5
  
• Fixed the lag from the GPU particles by loading them in advance