Patches for issues 41, 45, and 39

[1nfocalypse]

Fixed type error when scanning a private profile, along with relevant exception. Implemented a retry-after feature upon error 500 in two locations, with the requested message to alert the user to server instability. Fixed 2FA authentication.

All patches tested, further information is available on request. Thank you!

[1nfocalypse]

Yo man just wanted to check in, if you don't want it i can close or if you want some edits I can make em. Just let me know, ty!