bump to v0.5.0

Author: ecarreras

setup.py

@@ -6,7 +6,7 @@
     author='GISCE',
     author_email='[email protected]',
     url='https://github.com/gisce/python-ooui',
-    version='0.4.0',
+    version='0.5.0',
     license='MIT',
     long_description='''Open Object User Interface for GISCE-ERP''',
     provides=['ooui'],