Unload all functions, not necessary for the webserver

webserver.lua

@@ -135,31 +135,45 @@ function startWebServer()
 
    
    if (payload:find("GET /") ~= nil) then
-   httpSending=true
-   --here is code for handling http request from a web-browser
+    httpSending=true
+    --here is code for handling http request from a web-browser
     collectgarbage()
     -- Stop all
     for i=0,5 do tmr.stop(i) end
-    -- unload all other modules 
-    package.loaded['displayword.lc']=nil
-    package.loaded['main.lc']=nil
-    package.loaded['wordclock']=nil
+    -- unload all other functions 
+    -- grep function *.lua | grep -v webserver | cut -f 2 -d ':' | grep "^function" | sed "s/function //g" | grep -o "^[a-zA-Z0-9\_]*"
+    updateColor = nil
+    drawLEDs = nil
+    round = nil
+    generateLEDs = nil
+    startSetupMode = nil
+    syncTimeFromInternet = nil
+    displayTime = nil
+    normalOperation = nil
+    isSummerTime = nil
+    getUTCtime = nil
+    getTime = nil
+    display_timestat = nil
+    display_countcharacters_de = nil
+    display_countwords_de = nil
     collectgarbage()
     ws2812.write(string.char(0,0,0):rep(56) .. color:rep(2) .. string.char(0,0,0):rep(4) .. color:rep(2) .. string.char(0,0,0):rep(48))
     -- Start Time after 1 minute
-    tmr.alarm(6, 60000, 0 ,function()
+    tmr.alarm(5, 60000, 0 ,function()
     -- Start the time Thread
         tmr.alarm(1, 20000, 1 ,function()
              dofile("main.lc")
          end)
     end)
-    if (sendPage ~= nil) then
-       print("Sending webpage.html (" .. tostring(node.heap()) .. "B free) ...")
-       -- Load the sendPagewebcontent
-       replaceMap=fillDynamicMap()
-       sendPage(conn, "webpage.html", replaceMap)
-    end
-    
+    -- send response after 100ms
+    tmr.alarm(5, 100, 0 ,function()
+        if (sendPage ~= nil) then
+           print("Sending webpage.html (" .. tostring(node.heap()) .. "B free) ...")
+           -- Load the sendPagewebcontent
+           replaceMap=fillDynamicMap()
+           sendPage(conn, "webpage.html", replaceMap)
+        end
+    end)
    else if (payload:find("POST /") ~=nil) then
     --code for handling the POST-request (updating settings)
      _, postdatastart = payload:find("\r\n\r\n")