Removed redundant download statements and unified them under one download method, called with multiprocess.Process.  Clarified some docstrings.
Added multiprocessing to download calls, removed InfoGather class as it's not needed on the command line and will be replaced by the GUI.  Also fixed the args section so that they better match up with what the program can actually do and provide proper help output.
More argument cleanup, provide help output if no args are passed on the CLI, updated changelog, updated version, updated README to be more explicit, require distribute package so that install is seamless.
Merged refactor into master, removed extraneous newline from clean_exit