bump to 3.7.0b4+

Author: ned-deily

Include/patchlevel.h

@@ -23,7 +23,7 @@
 #define PY_RELEASE_SERIAL       4
 
 /* Version as a string */
-#define PY_VERSION              "3.7.0b4"
+#define PY_VERSION              "3.7.0b4+"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

README.rst

@@ -1,5 +1,5 @@
-This is Python version 3.7.0 beta 4
-===================================
+This is Python version 3.7.0 beta 4+
+====================================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=master
    :alt: CPython build status on Travis CI