This new version of base64dump.py has a new option: -z. With this option, you can ignore leading null bytes (to be used for example to handle UNICODE).
You can see this option used in this video (starting 1:28):
base64dump_V0_0_7.zip (https)
MD5: D37DE7CEFDA55ADD1822EADDD84D5FFB
SHA256: 5F676DF8B36172A1D7B29F03E2B0CCB026BB9A96DF8830FDB137E65CBB59DD63
Didier Stevens 