Fixed a bug where some upgrades appeared too frequently

0.9.86.10b

• Now when you have both a dozer blade and a hedge cutter, they will combine into a Dozer-Cutter Blade! (visual change only)

• Fixed a bug where some upgrades appeared too frequently; upgrades of the same rarity now have equal chances

• Reload time can no longer be reduced below 0.5 seconds; too many players were crashing the game by shooting too fast

• Fixed some UI issues

• Fixed camera stuttering issues