Release v0.20.2

Bug Fixes

• Fixed httppull test with correct scheme for static node entries
• Fixed issues in dtnecho.py example when running with ipn naming scheme
• Fixed statistics counters to properly record incoming/outgoing/failed/broken bundles

Documentation

• Updated getting started guide to use dtn7-showroom.

Features

• Added cors header to allow access from anywhere (#61)
• Support work over proxy HTTP/HTTPS/SOCKS with DNS name instead of IP address (#52) (#63)

Testing

• Added script to fluctuate connectivity in line-3n docker compose scenario
• Made line-3n-loss.sh for docker compose scenario compatible with docker and podman