fix. url formatting in all_urls.
fix. remove RevertRateArgsClass def from revert_rate module, use pack and unpack args methods to communicate params among worker threads.
fix. remove LiveAccountArgsClass def from live_account module, use pack and unpack args methods to communicate params among worker threads.
mod. move get_minute_diff_result to module level namespace.  Rename class attributes.
mod. refactor TimeToThreshold class.  Dropped unnecessarily complex nested class.  Implemented Multiprocessing Pools.
fix. param_type types.
mod. Add user count and completion to logging.
Merge pull request #26 from rfaulkner/working

Metrics fixes