CLS command in pynsq

[mgavryliuk]

I found in TCP protocol spec message CLS but in pynsq there is no method for this message.

CLS

Cleanly close your connection (no more messages are sent)

CLS\n

Success Responses:

CLOSE_WAIT

Error Responses:

E_INVALID

[mreiferson]

yep, this should be part of the public API, thanks for reporting!

[crossjam]

+1, but piling on for a full disconnect/close operation on a Reader. CLS nsqd connections, close nsqlookupd conns, and clean up Tornado callbacks.

I half assed this last week, but it turned out to be trickier than I thought.