Bump version

Author: mauricioabreu

setup.py

@@ -12,7 +12,7 @@
     name="m3u8",
     author='Globo.com',
     author_email='videos3@corp.globo.com',
-    version="0.5.0",
+    version="0.5.1",
     license='MIT',
     zip_safe=False,
     include_package_data=True,