new Uuid support

[cnd]

starting from uuid 0.8.1 cdrs gives error:

the trait std::convert::From<uuid::Uuid> is not implemented for cdrs::types::value::Bytes

[Alex Pikalov]

@cnd

Thank you for creating this issue. If you are not working on a solution I'm going to pick this up

[cnd]

@AlexPikalov nothing for, I'm not working on solution :)