load_config

This function will take in a file location on the file system and extract the
JSON content found within and return a python-interpretted form of the object.

def load_config(filename):
    """load_config

This function will take in a file location on the file system and extract the
JSON content found within and return a python-interpretted form of the object.
    """
    config = None
    if os.path.isfile(filename) and os.access(filename, os.R_OK):
        with open(filename, 'r') as fh:
            config = json.loads(fh.read())
    return config