Switch to prepared statements
decimal(10,0) should be decimal(10,2)
Changed currency order
Move TODO to wiki
No Steam sync after every add
Fix for PHP relative path problem
Move JavaScript to seperate file
Support for multiple libraries per page (many-to-many relationship)

Switch to prepared statements
Bug fix in pages (LEFT JOIN instead of JOIN)
Move JavaScript to seperate files
Switch to prepared statements + Import games with non-zero playtime as "started playing" by default
License header
Prepared statements done right ($mysqli->prepare outside of loops)
Switch to prepared statements
Bug fix (missed parameter)
Move JavaScript to seperate files
History page
Main bottom padding
New games scope: orphaned games
Steam profile widget