username requirements only enforced by sendnewusertransaction

[gabrielhesposito]

username requirements (length/char types) are enforced only by sendnewusertransaction

example;

root@7f2b0ae4bd23:/twister-core# ./twisterd  createwalletuser thisusernameislongerthan16chars
L5b4XvNr1SMkxkAoRtPuUEFo4nbkz2ZAiU62CVMHLMRGsKoZK8Rz
root@7f2b0ae4bd23:/twister-core# ./twisterd  sendnewusertransaction  thisusernameislongerthan16chars
error: {"code":-22,"message":"TX rejected"}