v0.80 - Community-requested improvements!

Hello Puropu Defenders! Thank you so much for sending your feedbacks and bug reports! Keep them coming! Here's a list of what has changed from 0.76 to v0.80: [list] [*] [b]Now if a boss reaches the extractor, you lose![/b] [*] Building and upgrading controls have been reworked and should now feel way better and accurate [*] Optimizations made on all maps, especially The Pit [*] The Pit: fixed holes in ground [*] Added tiny tutorial to let players know about building basics [*] Added translations [*] Various fixes and improvements [/list]