Merge pull request #29 (7) "consistent string types"

From: https://github.com/kennethreitz/pystache/commit/6886173ce0694478b31b4e7acdb0bf0368167db2
Into: issue_29

The setup.py module now uses single quotes ("'") for all strings.

Conflicts:
	setup.py

setup.py

@@ -33,11 +33,11 @@ setup(name='pystache',
       packages=['pystache'],
       license='MIT',
       classifiers = (
-        "Development Status :: 4 - Beta",
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 2.5",
-        "Programming Language :: Python :: 2.6",
-        )
+        'Development Status :: 4 - Beta',
+        'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2.5',
+        'Programming Language :: Python :: 2.6',
+      )
 )