Get rid of spurious assert, make fallthrough explicit
Rewrite bulkrequestparser using new LengthValueParser
Rewrite code in serialize_to_socket to make it clearer
Return legitimate HTTP error message if remoteproxy can't find resource (should close 81)
New bulkresponseparser for new bulkresponse format (closes 82)
Rename "local_proxy" binary to "local_proxy_bin"
Clean up remote_proxy, fixes #85
Ensure connmark for NAT is unique by using veth-pair's unique_id