Sega Model 2 ROMs paths were not being correcty read from "emulator.ini", making it impossible to validate games
Moved all category filters inside a group box; removed "Light Gun" category filter (Miscellaneous tool bar filters)
Clicking "Reset" button, text in TEdit box is cleared (search bar)
Pressing "ESC" key, the text in TEdit box is cleared (search bar)
Changes to "Game Details" (games popup menu / Shift+I shortcut)
- if save state is "unknown" (empty), info is not shown anymore
- "Played" info renamed to "Last Played"
- "times played" info moved from "Last Played" to "Playtime" info