Bump to v0.5.0

Author: ecarreras

setup.py

@@ -6,7 +6,7 @@
     author='GISCE',
     author_email='devel@gisce.net',
     url='https://github.com/gisce/py-gisce-client',
-    version='0.4.1',
+    version='0.5.0',
     license='General Public Licence 2',
     long_description='''py-gisce-client is a Python client to access the GISCE ERP''',
     provides=['pygisceclient'],