Add more methods for Guards

[IseduardoRezende]

Would be nice has:

• AgainstOutOfRange

• AgainstLessThan

• AgainstGreaterThan

• AgainstInvalidEnum

• AgainstDefault

• AgainstEmpty

• AgainstMinLength

• AgainstMaxLength

• AgainstExactLength

• AgainstWeakPassword

• AgainstDateInFuture

• AgainstDateInPast

• AgainstUnmatchRegex

• AgainstInvalidUri

• AgainstTrue