readme update2

Author: raivolink

qrreader.py

@@ -4,6 +4,6 @@
 
 def read_qrcode_from_image(filename):
     """Reads imagefile and returns list of decoded data"""
-    img = Image.open(filename)
-    output = pyzbar.decode(img)
-    return output
+    imgage = Image.open(filename)
+    datalist_from_image = pyzbar.decode(imgage)
+    return datalist_from_image

tasks.robot

@@ -1,5 +1,5 @@
 *** Settings ***
-Documentation       Reads QR code image from file
+Documentation       Reads QR code image from file. Logs output
 
 Library             qrreader