bump to version 0.5.0, added tag support

Author: brandonmoser

devicecloud/test/unit/test_version.py

@@ -0,0 +1,9 @@
+import unittest
+
+from devicecloud.version import __version__
+
+
+class TestVersion(unittest.TestCase):
+
+    def test_version_format(self):
+        self.assertTrue(len(__version__.split('.')) >= 3)

devicecloud/version.py

@@ -4,4 +4,4 @@
 #
 # Copyright (c) 2015 Digi International, Inc.
 
-__version__ = "0.4.3"
+__version__ = "0.5.0"