Merge pull request orlabs#399 from shuaijinchao/releases/v0.8.1

Releases v0.8.1

Merge pull request orlabs#309 from orlabs/v0.8.0

V0.8.0

add ci

Merge pull request orlabs#240 from sumory/v0.7.0-dev

V0.7.0

bump version to v0.6.4

bump version to v0.6.3

bump version to v0.6.2 to make it compatible with lor v0.3.*

release v0.6.1

fix sql error: missing "`"

update readme