implement ZCOUNT for distributed sorted sets
…ed sorted sets
Format replies from pipelines just as replies from regular calls
This reverts commit f2bf2a3. It is not desirable to assume that SHUTDOWN succeeds; the caller should be made aware of errors.
added /lib/redis/errors.rb file; Redis::ProtocolError inherited from Redis::Error;
removed new line from test_helper and added asserts to version method test
removed the last new line;
Provide a first means to override the command name just before it is put on the wire. This allows the API to remain intact, and third party code unchanged while commands are renamed on the server side.