add initial stuff for level up ui
fix save games getting bloated with useless stats
small load game bug fix
add fully (?) functional level based upgrades
Add secondary sorting for lists to prevent equal valued element constantly swapping position
overflow for popup lists
prepare some level up modifier stuff for the future
touch events for side menu
change function choosing lowest level perks available to sort levels by int instead of string
multi line text for list items
new level up modifiers
change some player stuff to work off modifiers
disable buying & selling buttons when no employees recruited
better sell tool logic
ui & hotkey improvements
fix 0-strength modifiers not getting removed from content
remove negative effect for adjacent parking lots
fastfood
separate level & exp in side menu progress bar
Add new fast food building
timed modifiers
add support for one time upgrades so bonuses only meant to apply once don't get re-applied on loading the game