LValue refactoring.
LValue refactoring.

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