A lot of fixes and enhancements

UPDATES V 1.1.4

 - Added death pits to no longer be death for the two lowest difficulties. Instead, they do damage.
- Added stats to pause menu to keep track of statistics.
- Added cola machines that can be used to purchase health cola, or destroyed.
- Added more achievements related to the cola machines and tutorial notices.
- Added more readable help signs in the early part of the game.
- Added more to the how to play manual.
- Added difficulty filter on leaderboards.
- Fixed easy + kids mode route for the finale of "Watch Your Head" map.
- Added another secret to "Collapsing Citadel" map.
- Added new background to replace the previous blue zig-zag.
- Added grime system for additional texture.
- Modified narrow jump to get out of a spike pit in "Gates Below" map.
- Modified lock and switch position of "Gates Below" + "Secondhand" map to be away from the HUD.
- Modified Yolo difficulty to have 25% darker rooms.
- Modified wires to actually look like wires rather than floating dots.
- Fixed reading signs not resetting timers if player releases up before the text appears.
- Fixed leaderboard not accepting difficulty stat.
- Fixed going up slopes to be less jarring. Especially at the top.
- Fixed game not remembering what furniture spawned in the lounge areas.
- Fixed keys and batteries not bobbing in the air.
- Fixed second key in "Gates Below" map giving 2 keys instead of 1.
 - Fixed using gamepad to back out of achievements menu unpausing the game.
- Fixed dropping through one way floor, would jump again when player hits the next floor below when still holding jump.
- Fixed on/off one way platforms using a placeholder sprite, and made them more hidden when turned off.
- Fixed player temporarily sticking mid-air to moving solids when they push the player.
- Fixed breakable objects becoming unbreakable when a switch is hit to reverse conveyor belts.
- Fixed floorless secret room of "Watch Your Head" map.