added setup.py

created creational package
moved singleton into its own python file

setup.py

@@ -0,0 +1,11 @@
+from distutils.core import setup
+
+setup(name='pypatterns',
+      version='0.1',
+      description='Python Design Patterns',
+      author='Tyler LaBerge',
+      packages=[
+          'pypatterns',
+          'pypatterns.creational'
+      ],
+      )

tests/creational_tests/test_singleton.py

@@ -1,6 +1,6 @@
 from unittest import TestCase
 
-from pypatterns.creational_patterns import Singleton
+from pypatterns.creational.singleton import Singleton
 from tests.utils.dummy import dummy_class_factory