Mockup of how an upgrade of SecurityToken would look like.
function (string _name, string _symbol, uint8 _decimals, uint256 _granularity, string _tokenDetails, address _securityTokenRegistry) public
_name- Name of the SecurityToken
_symbol- Symbol of the Token
_decimals- Decimals for the securityToken
_granularity- granular level of the token
_tokenDetails- Details of the token that are stored offchain (IPFS hash)
_securityTokenRegistry- Contract address of the security token registry