Merged new pysqlite version 2.6.0 from trunk.
diff --git a/setup.py b/setup.py
index 8adcbd8..8ca5858 100644
--- a/setup.py
+++ b/setup.py
@@ -876,6 +876,8 @@
             else:
                 sqlite_defines.append(('MODULE_NAME', '\\"sqlite3\\"'))
 
+            # Comment this out if you want the sqlite3 module to be able to load extensions.
+            sqlite_defines.append(("SQLITE_OMIT_LOAD_EXTENSION", "1"))
 
             if sys.platform == 'darwin':
                 # In every directory on the search path search for a dynamic