v0.9
fix: utils.has_value method always return false (#49) * fix: has_value method always return false * 1. fix v3.watchdir() opts args type error (#50) 2. fix prev_kv not decode
fix: utils.has_value method always return false (#49) * fix: has_value method always return false * 1. fix v3.watchdir() opts args type error (#50) 2. fix prev_kv not decode