This condition results in os.EACCESS, which we were translating to Broadcast_Disabled.
This was the case because binding to the broadcast address on a UDP port, without setting the BROADCAST flag, also results in this error.
Given the fact that reserved ports also produce this error, we now check for this condition in net.bind() and translate it to a custom, clearer error:
Privileged_Port_Without_Root.
- Remove some old comments
- Fix some doc comments
- Improve some doc comments
- Unify name of the errors related to UDP packet sizes
(i.e: recv buffer too small, and message too big to send)
