Add CLI script

bin/picassools

+#!/usr/bin/env python3
+
+

setup.py

@@ -10,7 +10,7 @@ setup(name='picassools',
       version='0.0.0',
       packages=["picassools", "picassools.tests"],
       install_requires=['opencv-python', 'numpy'],
-      scripts=['bin/median-stack'],
+      scripts=['bin/picassools'],
       test_suite='picassools.tests',
       description='Collection of scripts for image manipulation.',
       long_description=long_description,