Decimals

-- Returns a string with decimal places every 3 digits
local function decimals(input)
  local input = string.reverse(tostring(input))
  local t = {}
  local i = 1
  for str in string.gmatch(input, ".") do
    t[i] = str
    i = i + 1
  end
  local inc = 0
  local toReturn = ""
  for i=1, #t do
	if inc == 3 then
	  inc = 1
	  toReturn = toReturn..","..t[i]
	else
	  inc = inc + 1
	  toReturn = toReturn..t[i]
	end
  end
  return string.reverse(toReturn)
end