bump version

upgrade version

Merge pull request #50 from Yoctol/version_092

Version 092

chore: bump version to v0.9.1

chore: change version to 0.9.0

Merge pull request #37 from Yoctol/version_081

version 0.8.1

0.8.0

0.7.0

Merge pull request #24 from Yoctol/list_models

List models

update travis key