change manually-managed version number from 1.3 to 1.4

Author: zookos

oauth2/_version.py

@@ -1,6 +1,6 @@
 # This is the version of this source code.
 
-verstr = "1.3"
+verstr = "1.4"
 try:
     from pyutil.version_class import Version as pyutil_Version
     __version__ = pyutil_Version(verstr)