Version 0.2.1

Bug fixes:

-Fixed fall damage when first joining/creating a server

-Fixed gaining sprint when entering and then exiting an area with decontamination gas

New features/Changes:

-Added swapping items in inventory (Press middle click on an item to move it to the left or the right to organize your inventory) 

-Added sprint regen cooldown

-Added containment level 4 keycard to 106's room

-Disabled decontamination gas when there is no containment breach