Better usage of args

I recommend using the SOCKS5 parameters as -x 127.0.0.1:9050 instead of using -x --proxy-host 127.0.0.1 --proxy-port 9050.
I'll start coding about that if it's approved.

[gkbrk]

I wonder if using a more standard format for the proxy URL could be better. Something like socks5://127.0.0.1:1234 or socks5:127.0.0.1:1234. I know other command-line tools that use both of those formats.

Could be, but it would be unnecessary without support of another proxy types.

[gkbrk]

There are plans to implement other proxy types though. Better to change/break things once rather than twice.

I understand, but I need functions to do this. For example socks5://127.0.0.1:1234 must go to socks_connect(host,port). I need these functions to do this redirect.