work only with python 2 series
usage: beeg-dl [-h] [-u] [-d] [-a] [-dd DD]
download vidz from beeg.com
optional arguments:
-h, --help show this help message and exit
-u get vidz urls, and save them to a data file.
-d download vidz according to data file.
-a get urls and download them.(default)
-dd DD destination dir