complete overhaul of SDP IP/Ports store/retrieval to better hanldels … #61

Job	Run time
build (docker_metrics, metrics, Dockerfile)	57s
build (docker_kamailio, ims_base, Dockerfile)	3m 30s
build (docker_ueransim, ueransim, Dockerfile)	4m 40s
build (docker_osmoepdg, osmoepdg, Dockerfile)	4m 18s
build (docker_swu_client, swu_client, Dockerfile)	1m 6s
build (docker_open5gs, base, Dockerfile)	5m 3s
build (docker_osmomsc, osmomsc, Dockerfile)	40s
build (docker_osmohlr, osmohlr, Dockerfile)	44s
build (docker_srsran, srsran, Dockerfile)	21m 25s
build (docker_eupf, eupf, Dockerfile)	2m 32s
build (docker_rtpengine, rtpengine, Dockerfile)	1m 54s
build (docker_ocs, ocs, Dockerfile)	26s
build (docker_dns, dns, Dockerfile)	35s
build (docker_opensips, opensips_ims_base, Dockerfile)	2m 18s
build (docker_srslte, srslte, Dockerfile)	13m 50s
build (docker_pyhss, pyhss, Dockerfile)	2m 21s
build (docker_mysql, mysql, Dockerfile)	1m 5s
	1h 7m 24s

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