Pre-alpha v0.0.19 released!

Hello and thank you for playing IGFS! We have now finished a new release, pre-alpha v0.0.19! Please report bugs in the issue tracker. Thank you!

Changelog:

• Add two new ships: S1 and S2
• Add ship type switching (through settings.cfg, under [ship_info] > ship)
• Change S0 ship model to bettor one
• Change scanner scanning area from sphere to cube, and make it larger
• Fix scanner viewer rotation cutoff
• Switch to Gitlab, add CI
• Make credits viewer
• Make a more detailed README.md
• Add screenshots
• Refactoring
• Bug fixes