Update to Bloomberg C API 3.12.3

Author: tonyroberts

README

@@ -1,5 +1,5 @@
-Bloomberg Python API version 3.9
-================================
+Bloomberg Python API version 3.12
+=================================
 
 This directory contains an interface for interacting with Bloomberg API
 services using the Python programming language. This package is the source

setup.py

@@ -11,7 +11,7 @@
 
 os.chdir(os.path.dirname(os.path.realpath(__file__)))
 platform = plat.system().lower()
-versionString = '3.12.2'
+versionString = '3.12.3'
 
 if version < '2.6':
     raise Exception(