diff --git a/app.py b/app.py
index 5a46f50..f3a682f 100644
--- a/app.py
+++ b/app.py
@@ -16,22 +16,22 @@ class App:
             for data in root.getchildren():
 
                 for elem in data.getchildren():
-                    self.read_element(elem, hide_empty=hide_empty)
+                    self._read_element(elem, hide_empty=hide_empty)
 
-    def read_element(self, element, sign="", hide_empty=True):
+    def _read_element(self, element, sign="", hide_empty=True):
         element_text = element.text
         if hide_empty and not element_text or isinstance(element, lxml.etree._Comment) or isinstance(element, lxml.etree._ProcessingInstruction):
             pass
         elif element.tag.find("AKTION") > -1:
             num = int(element_text)
-            print(sign, self.clean_xmlns(element.tag), AktionsStatus.get_status(num))
+            print(sign, self._clean_xmlns(element.tag), AktionsStatus.get_status(num))
         else:
-            print(sign, self.clean_xmlns(element.tag), element.text if element.text else "")
+            print(sign, self._clean_xmlns(element.tag), element.text if element.text else "")
         if len(element.getchildren()) > 0:
             for el in element.getchildren():
-                self.read_element(el, sign+"\t")
+                self._read_element(el, sign + "\t")
 
-    def clean_xmlns(self, tag_text):
+    def _clean_xmlns(self, tag_text):
         if tag_text and tag_text.startswith("{"):
             return tag_text.split("}")[1]
         return tag_text
diff --git a/config.json b/config.json
new file mode 100644
index 0000000..e69de29