Merge branch 'echobfy-master'
Merge branch 'master' of github.com:cyy5121212/doctopus
Merge pull request #3 from echobfy/master

add worker status
write server end
Merge remote-tracking branch 'origin/master'
status format
status format
Update README.md
Update README.md
write ack module and server logic
clean up when task finish
Merge pull request #2 from cyy5121212/master

merge