Create non-standard class to handle non-standard but common token read methods

[adonesky1]

Per the conversation here, we are failing to properly return values for contracts that contain methods like name(), symbol(), tokenURI() and decimals() that do not fully conform to one of the 3 major token standards we currently support (ERC20, ERC721, ERC1155). We should create a backstop to return these values regardless of whether they are part of a standard contract.