Minor update 6

Made some balance changes for later loops. Fixed huge mistake in weapon creation code. Cant belive i didnt notice this earlier...no wonder 4th loop was feeling so difficult :D. Also made some changes based on player feedback.

• Fixed some of higher tier weapons not appearing during later loops
• Achievements are now saved instantly
• Small fly health during loop reduced from 15 to 12
• Added 25% more time  when health mod is activated
• Time added during curse mod now depends on curse (5-20%)
• Reduced volume of factory music
• Fixed wolf sprites (removed unnecessary gray pixels)
• Some other small fixes

Hotfix for current version: Fixed desert arena reward not having special attribute