Added tests for resources and their methods. Also added tests for the json model.
diff --git a/Makefile b/Makefile
index 9825ad9..debf9c3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,5 @@
 pep8:
 	find apiclient samples -name "*.py" | xargs pep8 --ignore=E111,E202
+
+test:
+	python runtests.py