char type support digest

1.5.0

Update Cargo.toml

add async features

1.4.0

fix https://github.com/baoyachi/sha256-rs/issues/18

Fix async calculation leading to wrong hash

#19

revoke deprecated function

#17

1.2.1: Merge pull request #16 from baoyachi/feature/native_sha256

update github actions script:cargo b use all features

Support async digest function

#14

Support Multi type digest

#13

Update License

#12

Bump sha2 version

1.1.3

Update Cargo.toml

update license

fix #8