Issue #11500: Fixed a bug in the os x proxy bypass code for fully qualified IP addresses in the proxy exception list

Patch by Scott Wilson.

the "flag" argument is "n", dbm.error was being raised. As documented,
dbm.open(...,flag='n') will now "Always create a new, empty database,
open for reading and writing", regardless of a previous file existing.

Without this patch "./configure --with-pydebug --enable-framework CC=gcc-4.0" fails on MacOSX

Patch by Evan Dandrea.

Issue 11131: Fix sign of zero result on decimal.Decimal plus and minus operations in ROUND_FLOOR rounding mode.

Patch by Michal Nowikowski.

finalization of objects in the language reference.

there are many tags (e.g. when using mq).  Patch by Nadeem Vawda.

initialization fails.

working correctly with a relative path.

will have the right line ending even if the extension is not active.

#11239: add } to list of metacharacters (it is only a metacharacter sometimes, ie. when closing a {n,m} group, but so is ].

#11405: do not reference the string module again for its deprecated functions, only for Template class.