Patch by Jeff Knupp

Patch by Jeff Knupp

Thanks to Daniel Mullner

Thanks to Daniel Mullner

#6696: add documentation for the Profile objects, and improve profile/cProfile docs.  Patch by Tom Pinckney.

Patch by Zachary Ware.

the legacy Py_UNICODE API.

Add also a new _PyUnicodeWriter_WriteChar() function.

display invalid strings. Such strings can be found while Python is creating a
new string, in a text decoder for example, when Python is compiled in debug
mode.

Fix a crash when setting a servername callback on a SSL server socket and the client doesn't send a server name.
Patch by Kazuhiro Yoshida.
(originally issue #8109)

#5609 - test_urllib coverage for url2pathname and pathname2url. Patch
contribution by Thomas Fenzl & Maksim Kozyarchuk

contribution by Thomas Fenzl & Maksim Kozyarchuk

Patch by Claudiu Popa.