Better functions

function httpGet(url)
        http.request(url)
        while true do
            local e, rUrl, rmsg = os.pullEvent()
            if (e == "http_success") and (rUrl == url) then
                if rmsg then
                    local data = rmsg.readAll()
                    rmsg.close()
                    if data then
                        return "success", data
                    else
                        http.request(url)
                    end
                else
                    http.request(url)
                end
            elseif (e == "http_failure") and (rUrl == url) then
                return "failure"
            elseif (e == "chat_command") and rUrl == "cancel" then
                return "cancel"
            end
        end
    end

function betterSleep(time)
        os.startTimer(time)
        local startTime = os.clock()
        while true do
            os.pullEvent()
            if os.clock() >= startTime+time then return true end
        end
    end