bump: version 1.3.0 → 1.4.0

bump: version 1.2.1 → 1.3.0

fix cond.wait() not in for condition loop

bump: version 1.1.0 → 1.2.0

docs: update CHANGELOG.md

bump: version 0.8.0 → 0.9.0

bump: version 0.8.0 → 0.9.0

bump: version 0.7.0 → 0.8.0

bump: version 0.6.0 → 0.7.0

bump: version 0.5.0 → 0.6.0