http.request problems

function getapi()
	repeat
		local stat1, err1 = pcall(function()
			aa = aa or {}
			a = http.get("https://projects.dannysmc.com/apis/progutils.lua")
			a = a.readAll()
			local env = {}
			a = loadstring(a)
			local env = getfenv()
			setfenv(a, env)
			local status, err = pcall(a, unpack(aa))
			if (not status) and err then
				printError("Error loaing api")
				return false
			end
			local returned = err
			env = env
			_G["progutils"] = env
		end)
	until stat1 == true
end

function drawchatfile(tchat)
	print(type(tchat))
	if type(tchat) == "table" then
		tchat = textutils.unserialize(tchat.readAll())
		if tchat <= i then
			for i=1, 16 do
				draw.texta("U: "..tchat[i][2].." | M: "..tchat[i][4], 1, i+1, false, "white", "black")
			end
		end
	end
end

function test()
	req = http.request(url, "ccsys=babble&amp;cccmd=get_chat&amp;room=test")
	count = 0
	while true do
		local args = { os.pullEvent() }
		if args[1] == "http_success" then
			count = count + 1
			draw.texta("Received: "..count, 1, 1, false, "grey", "white")
			drawchatfile(req)
			req = http.request(url, "ccsys=babble&amp;cccmd=get_chat&amp;room=test")
		elseif args[1] == "http_failure" then
			req = http.request(url, "ccsys=babble&amp;cccmd=get_chat&amp;room=test")
		end
	end
end
getapi()
test()