Added an filepath option.

Hello Fake51.  

I like your LogFilter.  It came in handy.  Thank yous.

I added one option to it:   --filepaths, which removes all GET parameters from the '?' to the end.  Which was more helpful to me for grouping the same programs to gether.

Cheers.
D

$ ./logfilter.py -h

    usage: logfilter.py [-h] [-i | -s | -f | -p] [--ip-filter IP_FILTER]
                        [--status-filter STATUS_FILTER]
                        [--method-filter METHOD_FILTER] [-q]
                        log_file
    
    positional arguments:
      log_file              Log file to parse
    
    optional arguments:
      -h, --help            show this help message and exit
      -i, --ips             List ips and request stats. Default
      -s, --sizes           List requests by biggest sizes
      -f, --files           List requests by frequency
      -p, --filepaths       List requests by frequency
      --ip-filter IP_FILTER
                            Filter by ip address
      --status-filter STATUS_FILTER
                            Filter by response status
      --method-filter METHOD_FILTER
                            Filter by request method
      -q, --quiet           Suppress unimportant information