Log Message:
Update to 0.11.2, provided by Leonardo Taccari in PR 49729:

Changes:
0.11.2
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 * TCPClient: Use TLS1.1+ where available, BaseHandler: disable SSLv2.

0.11.1
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 * Fixes traceback in connection finish.

0.11
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 * Refactor TCP close.
 * certstore: add support for cert chains
 * certstore: add support for asterisk form to DNTree replacement
 * Change the criticality of a number of X509 extentions, to match the RFCs and
   real-world CAs/certs.
 * Much more sophisticated certificate store:
   - Handle wildcard lookup
   - Handle lookup of SANs
   - Provide hooks for registering override certs and keys for specific
     domains (including wildcard specifications)
 * Various bug fixes.

0.10
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 * Add IPv6 support for TCPServer.
 * Various bug fixes.