Adds Redis pipelining around multiple commands that are independent, see http://redis.io/topics/pipelining for more info and benchmarks on pipelining.
Merge pull request #902 from jonhyman/feature/perf

Adds Redis pipelining around multiple commands that are independent, see...
Adding mocha/setup back in.

This effectively reverts #888.

The mocha docs state that 'mocha/setup' must be required
after your test framework is loaded.