changelog since the last version bump:
2017/12/12:
Fix a few buffer overrun in SSDP and SOAP parsing
2017/11/02:
PCP : reset epoch after address change
2017/05/26:
merge https://github.com/miniupnp/miniupnp/tree/randomize_url branch
2017/05/24:
get SSDP packet receiving interface index and use it to check if the
packet is from a LAN
2017/03/13:
default to client address for AddPortMapping when <NewInternalClient>
is empty
pass ext_if_name to add_pinhole()
2016/12/23:
Fix UDA-1.2.10 Man header empty or invalid
2016/12/16:
Do not try to open IPv6 sockets once it is disabled
2016/12/01:
Fix "AddPinhole Twice" test
2016/11/11:
fixes build for Solaris/SunOS
2016/07/23:
fixes build error on DragonFly BSD
addf1d5da3