Merge pull request #44 from jonbonazza/master

features, bug fixes, improvements
Merge pull request #45 from nebula2d/development

Development
Merge pull request #46 from jonbonazza/master

minor cleanup
Merge pull request #47 from nebula2d/development

Development
dark theme
Merge pull request #48 from jonbonazza/development

Development
Merge pull request #49 from nebula2d/development

Development