List to propose to upstream

# Description

Finschia/cosmwasm has several original features. 
have compiled them.

## List to propose to upstream

- `sha1` crypto native API - https://github.com/Finschia/cosmwasm/pull/145
- `Uuid` for a clear unique id type - https://github.com/Finschia/cosmwasm/pull/145
- `intoEvent` to the derive macro - https://github.com/Finschia/cosmwasm/pull/161
- Dynamic link feature