Update for v0.5.25 release. (#248)

diff --git a/setup.py b/setup.py
index ce8d807..878fc13 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@
 
 py_version = platform.python_version()
 
-_APITOOLS_VERSION = '0.5.24'
+_APITOOLS_VERSION = '0.5.25'
 
 with open('README.rst') as fileobj:
     README = fileobj.read()