Fixed a bug.
... And added some missing files..
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis
Added rainbow table class.
Merge branch 'master' of https://github.com/rostgaard/practical_cryptoanalysis