Improve feedback when wrong family is provided to CLI (addresses #558)
Improve feedback when wrong family is provided to CLI (addresses #558)

ettrig/NIPAP,plajjan/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,ettrig/NIPAP,garberg/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,garberg/NIPAP,garberg/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,ettrig/NIPAP,garberg/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,fredsod/NIPAP