Merge pull request #36 from egwynn/master

cidr masking and better ip proxy support
Merge pull request #37 from egwynn/master

make sure to check against host-byte-order
fix logging ips to the logs in the presence of headers indicating the real source IP
why was this passed by const reference
add a round robin mode to okd for selecting which child process to send a req to
fixup the no-retry case