String.pad(length: Integer, [substring: String = " "], [type: Integer = 0]): String

	Returns the string with a substring padded on the left, right or both sides.
	
		length amount of characters that the string must have
		substring string that will be concatenated
		type specifies the side where the concatenation will happen, where: 0 = left, 1 = right and 2 = both sides
	
