Added LRANGE operation and initial tests for it
Corrected LRANGE test
partial implementation of rpoplpush + tests
partial implementation + tests
clean ups and partial implementation
updated document with new rpoplpush list method
added idea file to ignores
removed webstorm litter...
Implement some zset methods.
Implement hmget
hmget now can take an array as arguments.
Nonexistent hashes are treated as empty hashes.
added ping and tests and test-server make target
added test specs
added dbsize and tests
added time + tests
refactored test callbacks to escape callback hell
document update
API now supports both methods of calling functions.

As in the node_redis library, you can either pass an args Array
plus a callback function or a variable number of arguments
followed by a callback function.
Add client.quit() function

Conflicts:
	lib/redis-mock.js