change maximal length to 64
fix comment about length <= 64
change bounds for overflow
Merge branch 'master' of https://github.com/jensgerlach/validation
fix issues about peek
simplify a peek issue
change: shift -> shifted
fix incomplete renaming
another typo
Merge branch 'master' of https://github.com/jensgerlach/validation
simplify issue about peek
Merge pull request #215 from jensgerlach/master

internal review by Fraunhofer FOKUS