Fix single file input, newline and header in xml

BudaPortaXmlConvert.py

@@ -110,10 +110,10 @@ if os.path.isdir(csvPath):
                 csvArrs[i].append(row)
 
 else:
-    csvFileNames[0] = csvPath
+    csvFileNames.append(csvPath)
     with open(csvPath, newline='') as csvfile:
         incsv = csv.reader(csvfile, delimiter=';')
-        csvArrs[0] = []
+        csvArrs.append([])
         for row in incsv:
             csvArrs[0].append(row)
 
@@ -185,14 +185,17 @@ print()
 # --------------------------------- Write xml -------------------------------- #
 
 data = ET.Element('Leolvasasok')
+data.tail = '\r\n'
 for mérő in allXmlData:
     currSub = ET.SubElement(data, 'Leolvasas')
+    currSub.tail = '\r\n'
     for adat in mérő:
         a = ET.SubElement(currSub, adat)
         a.text = mérő[adat]
+        a.tail = '\r\n'
 
 print(ET.dump(data))
 print()
 
 tree = ET.ElementTree(data)
-tree.write(fileName)
+tree.write(fileName, encoding="utf-8", xml_declaration=True)