* Allow multiples in syste.propertis (decimals, tokens)
* registry.chain{Decimals, Token} returns array values
* Bump common
* AbstractInt format with first decimal/token
* Adjust ss58Format consistency
* u8 decimals/format
* cleanups
* More slight weidness
* Adjust all t u32
* Cleanup properties format from Codec
@polkadot/types
Implementation of the types and their (de-)serialisation via SCALE codec. On the Rust side, the codec types and primitive types are implemented via the parity-codec.