Creates a new SimpleProxyResolver.
See default_proxy and ignore_hosts for more details on how the arguments are interpreted.
| default_proxy | 
                 the default proxy to use, eg "socks://192.168.1.1"  | 
            
| ignore_hosts | 
                 an optional list of hosts/IP addresses to not use a proxy for.  | 
            
| 
                 a new SimpleProxyResolver  |