Add -r file and -w file options.
Add -r file and -w file options.

These read/write from/to a binary file.



git-svn-id: 7d4b18ab7d176792635d6a7a77dd8cbbea8e8daa@342 d4fa192b-c00b-0410-8231-f00ffab90ce4

wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,CartoDB/Varnish-Cache,CartoDB/Varnish-Cache,ssm/pkg-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish,CartoDB/Varnish-Cache