Sign, recovery, and verify.
Sign, recovery, and verify.

shahankhatch/solidity,ruchevits/solidity,chriseth/solidity-doc-test,chriseth/solidity,gluk256/solidity,vaporry/solidity,arkpar/solidity,debris/solidity,ethers/solidity,ruchevits/solidity,ruchevits/solidity,douglas-larocca/solidity,LianaHus/solidity,ruchevits/solidity