Versioning
There are two ways to get the application version and the firmware version using the command line. The command version will give us both the application and the firmware, or simply running the command line by itself will, by default, print out both versions and the available commands.
bash $ flirc_util version
flirc_util version v2.3.0 [v2.3.0-2-g3bdde39+]
Firmware: v4.0.16 [0x4E3178B5]
The version of the application will always be in sync with the GUI version. They will never be different, and if they are... call the police.