Merge pull request #5 from positron96/master

add some bugfixes and added minor feature
Merge pull request #6 from positron96/master

-Several fixes by positron96
Merge pull request #7 from positron96/master

Polish of UI logic and DB interface improvement
Merge pull request #9 from positron96/master

Implemented asteroid belts seeding
+ other commits
-test commit\n-changed a small thing in about