Implemented client_serverlist module! Close #200

* Will store servers that are not already in the list when logging in
* Can add servers manually if required too
* Fixed a bug in table.size

modules/client_serverlist/addserver.lua

@@ -0,0 +1,38 @@
+AddServer = {}
+
+-- private variables
+local addServerWindow = nil
+
+-- public functions
+function AddServer.init()
+  addServerWindow = g_ui.displayUI('addserver')
+end
+
+function AddServer.terminate()
+  addServerWindow:destroy()
+end
+
+function AddServer.add()
+  local host = addServerWindow:getChildById('host'):getText()
+  local port = addServerWindow:getChildById('port'):getText()
+  local protocol = addServerWindow:getChildById('protocol'):getCurrentOption().text
+
+  local added, error = ServerList.add(host, port, protocol)
+  if not added then
+    displayErrorBox(tr('Add Error'), tr(error))
+  else
+    AddServer.hide()
+  end
+end
+
+function AddServer.show()
+  addServerWindow:show()
+  addServerWindow:raise()
+  addServerWindow:focus()
+  addServerWindow:lock()
+end
+
+function AddServer.hide()
+  addServerWindow:hide()
+  addServerWindow:unlock()
+end