Voltius v0.41.0

Added

• DTR/RTS toggles and a break signal in the serial status bar (#332)
• Created and edited keys and identities from the mobile keychain (#325)

Changed

• Made grouping tabs by host opt-in rather than opt-out

Fixed

• Released open serial ports when the app exits (#334)
• Stopped covering ended sessions with a false "Reconnecting…" overlay (#333)
• Staged SFTP downloads and tar-accelerated transfers in the app cache dir on Android (#328, #331)
• Showed the renamed session name on Android cross-device cards (#326)