Fix for arrays containing mappings.
Fix for arrays containing mappings.

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