V2.1.5

Changes

 * Fixed the Cosmic Horror synergy
 * Fixed an issue where the Evolver would lose its progress after loading a midgame save
 * Added a quick restart option to Boss Rush mode
 * Fixed a crash caused by dropping the Chamber Gun on the new secret floor
 * Fixed a control issue which could cause the first "change gun" input to be lost after changing guns using the slow motion gun select menu
 * The Paradox can no longer start with the Bullet That Can Kill The Past (lol)
 * Fixed an issue where the Sunlight Javelin couldn't be unlocked and gave it an alternate unlock case
 * Bowler will no longer float over destroyed chests
 * Fixed an issue with the Sprun's out-of-ammo trigger
 * Fixed an issue where the Sprun transformation was droppable
 * Fixed an issue with the Hellhole synergy
 * Fixed an issue with the Cloranthy Ring and Ring of Fire Resistance synergy in coop
 * Fixed an issue with combining multiple Lil' Bomber synergies