Bump to 3.6.0a1

Include/patchlevel.h

@@ -20,10 +20,10 @@
 #define PY_MINOR_VERSION	7
 #define PY_MICRO_VERSION	0
 #define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL	0
+#define PY_RELEASE_SERIAL	1
 
 /* Version as a string */
-#define PY_VERSION      	"3.7.0a0"
+#define PY_VERSION      	"3.7.0a1"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.