Rearranges the UI to be a bit more clear, as well as a few bugfixes and improvements.

Also includes the changes from https://github.com/Goatgarien/BAKKA-Editor/pull/4 and https://github.com/Goatgarien/BAKKA-Editor/pull/5
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Rearranges the UI to be a bit more clear, as well as a few bugfixes and improvements.
Also includes the changes from https://github.com/Goatgarien/BAKKA-Editor/pull/4 and https://github.com/Goatgarien/BAKKA-Editor/pull/5