Issue #22095: Fixed HTTPConnection.set_tunnel with default port.  The port
value in the host header was set to "None".  Patch by Demian Brecht.

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branch : 3.4
Issue 23005: Fix typos

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branch : 3.4
Issue #22935: Fix ssl module when SSLv3 protocol is not supported

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branch : 3.4
Issue #22935: Fix test_ssl when the SSLv3 protocol is not supported

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branch : 3.4
test_selectors: Tolerate 2.0 seconds instead of 1.6 sec for very slow buildbots

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extra : histedit_source : ddfb69669c9f5d392f5f9271ea984d0efa1f2aa9
Issue #18028: Fix aliasing issue in READ_TIMESTAMP() of ceval.c  on x86_64,
when Python is configure with --with-tsc. Patch written by Christian Heimes.

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branch : 3.4
extra : amend_source : e4cc87950e22101697bb8c5ef6b364ac7191d27f
remove reference to dead irc channel (closes #23038)

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branch : 3.4
extra : source : 1edff7001f589dffaf8de4aebcb65a1f1d7deb5c
Address some comments from Nick Coghlan

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branch : 3.4