OpenSSL is now compiled with OPENSSL_NO_SSL2 defined (without the SSLv2
protocol) on Debian: fix the ssl module on Debian Testing and Debian Sid.

Optimize also ssl.get_protocol_name(): speed does matter!

CTRL+c, clear the end-of-file indicator after CTRL+d.

Patch by Arfrever Frehtes Taifersar Arahesis.

#11910: change import_fresh_module to return None when one of the "fresh" modules can not be imported.

#12017: Fix segfault in json.loads() while decoding highly-nested objects using the C accelerations.

Also, reduce code duplication in LargeMmapTests.

Original patch by Steffen Daode Nurpmeso.

(instead of a buffer of 2 GB)

Patch by Bryce Verdier.

This corresponds with change b9390aa12855 to PEP-11.

crc32() and adler32(). Patch written by Steffen Daode Nurpmeso.

doesn't have PY_SSIZE_T_CLEAN define and the size doesn't fit in an int (length
bigger than 2^31-1 bytes).

written if PY_SSIZE_T_CLEAN is defined.

to get around a mmap bug with sparse files. Patch written by Steffen Daode
Nurpmeso.