Bug fixes and small additions

Faculty view

• Data can now be downloaded into an Excel-file

Course statistics

• Fixed bug: When browsing courses via Study programme overview > programme courses, there was a bug where the course remained the same after going back and selecting a new course.

Class statistics

• Fixed bug: Courses-tab used to count a course into total-column twice or more if it appeared in more than one module.

Student page

• Fixed incorrect calculations of HOPS-credits

Also many internal fixes and refactoring.