Merge branch 'master' of https://github.com/imtutta/it2l-fractions-lab
Only create new thread if feedback was provided
If there is a correct solution on the canvas ignore all other fractions
do not display empty message
exclude debug message
Use correct feedback message
Merge branch 'master' of https://github.com/imtutta/it2l-fractions-lab
include knowledge about misconceptions
Merge branch 'master' of https://github.com/grawemeyer/it2l-fractions-lab