Backpack Hero Balance Update Hotfix 1

Changes:

• Needler now adds 2 poison per use

Glitches:

• Fixed a glitch where leaving a store could crash the game
• Fixed a glitch with the vampiric axe sprite
• Changed the golden whetstone so it gives a +25% bonus - not plus +125%
• Fixed a glitch with the matching card game
• Fixed a glitch with the glitched potion (no this isn't a joke)