cleanup stuff, move unused or questionable classes to misc namespace
add tests for card detection
add proper card detection procedure
add pixelwalk helper methods
add window that can display list of bitmaps (helps manual testing)
add window that outputs minor debug data from screenshot engine, and saves screenshots to files
rework screenshotengine after discovering exactly how copyfromscreen method works (windows in background are not interesting)
introduce serialized storage
combine storage objects into one store and init them from files