Grab XML, then add all bulbs to a dict. Removes room functionality

def grab_bulbs(host, token=None):
    """Grab XML, then add all bulbs to a dict. Removes room functionality"""
    xml = grab_xml(host, token)
    bulbs = {}
    for room in xml:
        for device in room['device']:
            bulbs[int(device['did'])] = device
    return bulbs