bump to version 2.5.0

Author: szabolcsdombi

setup.py

@@ -90,7 +90,7 @@
 
 setup(
     name='glcontext',
-    version='2.4.0',
+    version='2.5.0',
     description='Portable OpenGL Context',
     long_description=open('README.md', encoding='utf-8').read(),
     long_description_content_type='text/markdown',