Adding tutorial's folder and updating setup for new release

Author: hharcolezi

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name='multi-freq-ldpy',
-    version='0.1.1',
+    version='0.1.2',
     license='MIT',
     author="Héber H. Arcolezi",
     author_email='hh.arcolezi@gmail.com',