Update setup.py

New feature:

* Provide the execution input to the decider: this allows to use it before any activity has even been scheduled. #69

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name='Garcon',
-    version='0.2.3',
+    version='0.3.0',
     url='https://github.com/xethorn/garcon/',
     author='Michael Ortali',
     author_email='hello@xethorn.net',