API loading code not working properly ( not working at all)

--[[
Interact API in ComputerCraft
by Creator
Complete rewrite in OOP
]]--

--Load Function--
function Initialize()
local toReturn = {}
toReturn.Button = {}
toReturn.Button = Button
toReturn.test = {"hi"}
return toReturn
end
--Class Button--
local Button = {
--Button initialization function
new = function(_name,_label,_xPos,_yPos,_xLength,_yLength,_fgColor,_bgColor,_returnValue)
  local self = {}
  setmetatable(self,{__index = Button})
  self.name = _name
  self.label = _label
  self.xPos = _xPos
  self.yPos = _yPos
  self.fgColor = _fgColor
  self.bgColor = _bgColor
  self.xLength = _xLength
  self.yLength = _yLength
  self.returnValue = _returnValue
  return self
end,
--Draw function
draw = function(self)
  --term.setBackgroundColor(self.bgColor)
  paintutils.drawFilledBox(self.xPos,self.yPos,self.xLength-1,self.yLength-1,self.bgColor)
end
}

--[[
Desktop in ComputerCraft
by Creator
for TheOS
]]--
local textutilsserialize = textutils.serialize
local textutilsunserialize = textutils.unserialize
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.setCursorPos(1,1)
term.clear()
local gui = {}
gui = Interact.Initialize()
print("loading complete")
for i,v in pairs(gui) do
print(i)
print(v)
end
sleep(10)
test = gui.Button.new("test","even",1,1,5,5,colors.red,colors.blue,"my")