Release v0.2.1 on 2021-11-16.

1. 8ec7757 Bump version: 0.2.0.2-ec37-dirty → 0.2.1 by Pau Espin Pedrol · 2 years, 7 months ago 0.2.1
2. ec37263 configure: don't turn some warnings into errors by Oliver Smith · 2 years, 7 months ago
3. ed87bd5 Bump version: 0.1.0.8-14c9-dirty → 0.2.0 by Pau Espin Pedrol · 3 years, 3 months ago 2021q1 0.2.0
4. 7299215 initial working osmo-smlc implementation by Neels Hofmeyr · 3 years, 9 months ago
5. b53e2bf initial skeleton by Harald Welte · 3 years, 10 months ago