add header-file LMhashCracker.h
clean up
Merge branch 'feature/time_measurement' into develop
Create README.md
generate all lm-sub-hashes
added features

isNextKey method
printStat method

prints checked keys every minute
added NO_KEY_EXCEPTION
fixed some bugs
working alpha

bug keyToCheck is 1 to far
github bug

github wanted me to commit DES:cpp as uncommitted change for what
reason?!
fixed some thread bugs

statThread doesn't block final print
changed output style