autograyout secrets based on handcount (#465)

started basic implementation for stolen marker extension (#473)
manually merged #474 (heartharena import)
removed some unnecessary stuff
tooltips for stolen/returned marks (#476)
refined cardmark tooltip card detection, added option, increased tooltip area (#476)
Merge pull request #477 from Epix37/feature/extendedcardmarks

Feature/extendedcardmarks
v0.6.6
casual games should be recorded again
card-mark tooltip: freezing trap (#476)
v0.6.7 crashfix