Cup

* [New] MsgBroker - Add a broker for handling system failures
* [New] cup.exfile - Add Lockfile support
* [Bug] Linux Resource Query Bug - related to data columuns
* [Bug] cup.net.async - socket cannot be got.
* [Enhancement] cup.net.async - CUP utilization enhancement

* [Enhancement] async enhancement for stability
* [New] CycleIDGenerator for generating universally unique_id (ip, port encoded as part of the id)
* [Enhancement] cup.net.async exits more quickly than before
* [Bug] cup.net.async - Fix CPU-utilization too high bug
* [Bug] cup.net.async - Fix getting-peerinfo bug
* [Bug] cup.res.linux - Kernel version was returned with a tuple
('2', '6', '32') which should be (2, 6, 32)

1.5.3 released.

CUP 1.5.1 has been released.

Refer to CUP/Changelog

The release version is the same with CUP inside Baidu.