remove test output, removed dead code
simplify calculations, removed dead code
remove dead code
use meaningful variable names
improve readability of configuration file
move visibility to line.attributes
clean up Line

- add documentation
- reduce bloated __init__
- move members to attributes dict
- use properties for attributes dict
clean up Profile

- add documentation
- move __repr__
- rewrite set_reference_line
- add properties using attributes dict
- mark TODO as done
use default attributes for Profile
restore wizard functionality after rewrite

- improve color request
- improve documentation