added base64 module; decoding still broken

doc/theindex.txt

@@ -233,10 +233,10 @@ Index
      * `colors.html#102 <colors.html#102>`_
 
    `=~`:idx:
-     `re.html#113 <re.html#113>`_
+     `regexprs.html#111 <regexprs.html#111>`_
 
    `=~`:idx:
-     `regexprs.html#111 <regexprs.html#111>`_
+     `re.html#113 <re.html#113>`_
 
    `=~`:idx:
      `pegs.html#143 <pegs.html#143>`_
@@ -4235,13 +4235,6 @@ Index
    `ONLY_KILL_QUERY`:idx:
      `mysql.html#189 <mysql.html#189>`_
 
-   `Open`:idx:
-     * `system.html#512 <system.html#512>`_
-     * `system.html#513 <system.html#513>`_
-     * `db_postgres.html#118 <db_postgres.html#118>`_
-     * `db_mysql.html#118 <db_mysql.html#118>`_
-     * `db_sqlite.html#118 <db_sqlite.html#118>`_
-
    `open`:idx:
      * `lexbase.html#104 <lexbase.html#104>`_
      * `parsecfg.html#104 <parsecfg.html#104>`_
@@ -4251,6 +4244,13 @@ Index
      * `httpserver.html#103 <httpserver.html#103>`_
      * `json.html#105 <json.html#105>`_
 
+   `Open`:idx:
+     * `system.html#512 <system.html#512>`_
+     * `system.html#513 <system.html#513>`_
+     * `db_postgres.html#118 <db_postgres.html#118>`_
+     * `db_mysql.html#118 <db_mysql.html#118>`_
+     * `db_sqlite.html#118 <db_sqlite.html#118>`_
+
    `openarray`:idx:
      * `tut1.html#119 <tut1.html#119>`_
      * `system.html#130 <system.html#130>`_