Mostly QoL fixes:

• Added a visual distinction between hired/unhired characters
• Collection can be scrolled without a scroll wheel
• Added zoom in & out buttons
• Demon special affects are now highlighted in red in their descriptions
• Added an option to not add a card to deck in heretic card pickups
• Fixed the bug where the speed would not be set correctly after adding a card to the deck
• Clamped the ammount the scene can be zoomed in and out
• Cards that are dropped by heretic's are no more obvious

Enjoy!