Hackerman

- Changed hackerman.ui.betterexec
- FileIO -> FakeStdout
- Added FakeStdin (ooh!)

- Added to hackerman.utils
- zerostr: zeroes out the memory location of a variable containing a string
WARNING: WIP - possible segfault

- Added to hackerman.utils
from_id
WARNING: possible segfault
disassemble

- betterexec improvements
- hackerman.utils.qr fix/improvement

- Fixed betterexec

- Added hackerman.payloads.bind.tcp and hackerman.handlers.bind_tcp
- Added hackerman.payloads.reverse._http and hackerman.handlers.reverse_http
- Added the base handler and payload for bind
- Added XORCrypt class to hackerman.crypto.xor
- Started hackerman.transport._http but i might abandon it
- Added hackerman.ui.betterexec for capturing print() and stuff in exec()