Merge branch 'release/0.8.0' into develop
Fix to close a tcp socket properly AND set explicit timeout to all test cases to make executing tests stable
Bump leo_commons
Refactor
Implement start-fun and refactor
Change leo-pod'branch
Implement a fun of judgement of a connection
Merge branch 'feature/mdc-replication-level3' into develop
Fix not match a return value
Fix not match a return value#2
Control procs
Change the way of checking in a connection
Fix in case of check-in
Rollback codes
Add macros of connection pool for rpc-client
Rename env-names
Fix bugs of getting env values
Handle an exception at leo-pod
Bump leo_pod
Modify constants