Revert "fixed stupid github for windows commit"

This reverts commit 123a64265a85db26a9b3b6e94ea703788298c2e6.
Revert "added basic persistence to tutor"

This reverts commit 81d9cf19709b0df1948441e874788881803208ed, reversing
changes made to 45b1ac735b694ca356c0940d291c0acce77b1713.