Update 1.13

Hey all! Small update with a few fixes / optimizations.

Changes

• Lots of optimizations, especially to memory.

• Added a Toggle Sprint option. 45 FPS frame-rate option.

• Added requirement tooltips to inventory slots.

Fixes

• Fixed a long-session issue where saved-game and scene time could stop advancing, particularly at high frame rates. Sometimes causing guns to not work correctly.

• Fixed an issue that could occur when using Save followed shortly by Save and Quit.