Update chertoy.py

bin/chertoy.py

 #!/bin/env python3
+# -*- coding: utf-8 -*-
+
 #chertoy.py
 #
 #usage:
-#$ ./chertoy.py
+#$ ./chertoy.py < path to the project folder > < /name of the folder with your input data > < /name of your topics.txt file > < /name of your results.txt file > < /name of the output file you want to create in the folder with the project >
 # 
 #author: <Tatjana Chernenko, Utaemon Toyota>