Fix for #78: Added `EHOSTUNREACH` and `WSAEHOSTUNREACH` to emulcomm's `net_down_error`'s.
Merge pull request #81 from aaaaalbert/EHOSTUNREACH-#78

Fix for #78: Added `EHOSTUNREACH` and `WSAEHOSTUNREACH` to emulcomm's `net_down_error`'s