ERC-1178 Multi-class Token Standard

Stagnant

⚙️ Functions this standard introduces (11)

`0x426a8493`	`approve(address,uint256,uint256)`
`0x9a382180`	`approveForToken(uint256,uint256,uint256,uint256)`
`0x00fdd58e`	`balanceOf(address,uint256)`
`0xfcb7cf08`	`classesOwned(address)`
`0xdeeec344`	`className(uint256)`
`0x64a14558`	`exchange(address,uint256,uint256,uint256,uint256)`
`0x17be1933`	`individualSupply(uint256)`
`0x06fdde03`	`name()`
`0x95d89b41`	`symbol()`
`0x18160ddd`	`totalSupply()`
`0x095bcdb6`	`transfer(address,uint256,uint256)`