feat: 0.8.2 -> 0.8.3 (y-lohse#327)

chore: Update package number

chore(deps): update dependency typescript to v3.1.6

chore: Publish beta 1

chore: Release alpha version

chore: bump version

chore: bump version to 1.7.1

feat: alias state.ToJson with state.toJson

chore: clean npm publication steps

Merge remote-tracking branch 'refs/remotes/origin/dev'