Fixes issue2625.

This allows for the deep copying of TestCase instances.

Issue 5660

strptime does not accept it in the strftime behavior section of the
datetime docs.

Closes issue 2568.

PyImport_AppendInittab() to take a const char *.

- unittest.assertNotEqual() now uses the inequality operator (!=) instead
  of the equality operator.

- Default assertTrue and assertFalse messages are now useful.

- TestCase has a longMessage attribute. This defaults to False, but if set to True
  useful error messages are shown in addition to explicit messages passed to assert methods.

Issue #5663

string was stored beyond the life of the call. Changed the signature to be
const char * to help make this point.

Closes issue #1419652.

limit, so that in the most common case PyObject_IsSubclass will
not raise a recursion error we have to ignore anyway.

subprocess fails to extract port from command line
when warnings are present.

Cache the f_locals dict of the current frame, since every access to frame.f_locals overrides its contents with the real locals which undoes modifications made by the debugging user.

characters in the person's name.

In Pdb, stop assigning values to __builtin__._ which interferes with the one commonly installed by gettext.

embedded newlines in quoted field values.

fixes crasher on OS X 10.5

filter and was resetting it.

PendingDeprecationWarnings to be spewed all over by unittest.failIf*(). Fix
moves over to using warnings.catch_warning to protect the warnings filter.

called in a thread that was spawned by an import itself.

Last part to close #1665206.