Changes:
+ Added changelog
+ Add option to keep playing after you win
+ Shop now shows subsequent upgrades after you purchase something
+ Tower buy buttons' stat cards now takes tower upgrades into account
+ Tower placer now takes purchased upgrades into account when showing new tower stats
+ Buying a higher level version of a tower in the shop will no longer replace its lower level counterpart
+ First upgrade to a new tower level is now free
+ Tower inspector upgrade icons now display the upgrade image, and show their info on hover
+ Add ability to click on enemies and view their stats
+ Added option to set tower targeting priority
+ Show term definition tooltips in all relevant places
+ Buff range areas are now calculated as squares
+ Clicking on a tower will now show the squares it is buffing
+ Improve Wisp visibility
+ Change wave count to 12
+ Increased the speed of enemies
+ Rebalanced The Undertaker to be more fair with Zombie spawning
+ Fixed issue where "Open Shop" button appeared after game was over
+ Fixed issue with tower upgrade button that allowed you to purchase upgrades you could not actually afford
+ Fixed issue where shop upgrades for higher level towers were not being shown
+ Fixed issue where one-time shop items were being shown again after purchase
+ Made major performance improvements to improve issues with low frame rates
+ Various balancing tweaks
+ Various bug fixes
+ Added more bugs