Fix average calculated + performance boost

AngularApp/prototype/src/app/api.service.ts

AngularApp/prototype/src/app/app.module.ts

AngularApp/prototype/src/app/cache.service.ts

...pe/src/app/labeling-window/labeling-window.component.html

AngularApp/prototype/src/app/main/main.component.css

AngularApp/prototype/src/app/main/main.component.html

AngularApp/prototype/src/app/main/main.component.ts

...pe/src/app/overview-window/overview-window.component.html

...type/src/app/overview-window/overview-window.component.ts

...rototype/src/app/progress-view/progress-view.component.ts

...otype/src/app/table-overview/table-overview.component.css

...type/src/app/table-overview/table-overview.component.html

...totype/src/app/table-overview/table-overview.component.ts

Flaskserver/.idea/workspace.xml

Flaskserver/__pycache__/main.cpython-38.pyc

Flaskserver/main.py