Reads all the hashes and returns them in a dictionary by type

    :rtype: dict
    :returns: A dictionary of sets of hashes by type

def read_all():
    """
    Reads all the hashes and returns them in a dictionary by type

    :rtype: dict
    :returns: A dictionary of sets of hashes by type
    """
    global CACHE_
    load_cache(True)
    evs = CACHE_['evs'].keys()
    cache = CACHE_['cache'].keys()
    seeds = CACHE_['seeds'].keys()
    return {"evs"  : evs,
            "cache": cache,
            "seeds": seeds}