add robot prototype

bricks/special/robot-input.lua

@@ -7,10 +7,7 @@ local function intToPort(gate, port, len, v)
 end
 
 return function(gate, argv)
-	print(table.concat(argv, "|\n"))
-	print("robot input")
 	local arg = argv[1]:gsub("^ +", ""):gsub(" +$", "")
-	print("\""..arg.."\"")
 	for word in arg:gmatch("[^\t]+") do
 		local first, rest = word:sub(1, 1), word:sub(2, #word)
 		local vec = {}