As we all know by now, snake_rattler won Argho's movepool poll. Sorry for the late reply here, but here is the changelog summary for Arghonaut.
Added Ability:
Technician
Added Moves:
Level Up
Circle Throw
Chip Away
Scald
Wide Guard
Gen 7 TMs
Work Up
Bulk Up
Low Sweep
Round
Scald
Bulldoze
Poison Jab
Surf
Waterfall
Confide
Gen 5/6 TMs
Power Up Punch
Retaliate
Egg Moves
Spikes
Close Combat
Gen 5/6 Tutor Moves
Foul Play
Added Ability:
Technician
Added Moves:
Level Up
Circle Throw
Chip Away
Scald
Wide Guard
Gen 7 TMs
Work Up
Bulk Up
Low Sweep
Round
Scald
Bulldoze
Poison Jab
Surf
Waterfall
Confide
Gen 5/6 TMs
Power Up Punch
Retaliate
Egg Moves
Spikes
Close Combat
Gen 5/6 Tutor Moves
Foul Play