Added flags parsed with argparse. Added the option to skip the questi…

[BBerastegui]

…on for fuzzing or not fuzzing User-Agents.

Hey @lobuhi! I added some things here and there. Mostly added argument parsing with argparse (this is a breaking change), and also added the option to specify a different IP address to try in the bypasses that use an IP address (such as the X-Forwarded-For: IP).

Cheers!