A terminal based Matrix client written in Go with the following
features:

- Session verification via security key or manual text comparison
- Decryption of messages sent after initial login; older messages
  require key import
- Proxy support via `https_proxy` environment variable
- Text copying using shift+drag, `/copy` command, or plaintext mode
- Support for one account per instance; multiple instances possible with
  different data directories
- Customizable data storage paths through environment variables
- Debug logging enabled with `DEBUG=1` and customizable log directory
- System-specific default directories for config, cache, and data