sngrep 1.8.3

What's Changed

• Use libgcrypt-config if pkg-config is not available for libgcrypt by @Kaian in #493
• Call flow group message cache by @Kaian in #507
• Fixed an issue with the payload length of fragmented IPv6 packets by @Den4t in #513
• Add RFC 4733 DTMF display support by @Kaian based in @MayamaTakeshi work in #514
• rtp: fix duration value in telephony-event is incorrectly converted by @sugarZ in #517

New Contributors

• @Den4t made their first contribution in #513
• @sugarZ made their first contribution in #517

Full Changelog: v1.8.2...v1.8.3