-> MOVE_WORKSPACE_TO_OUTPUT
workspace = 'next', 'prev', 'next_on_output', 'prev_on_output', 'current'
-> call cmd_move_con_to_workspace($workspace)
+ 'back_and_forth'
+ -> call cmd_move_con_to_workspace_back_and_forth()
'number'
-> MOVE_WORKSPACE_NUMBER
workspace = string