Changelog:
============
Features
---------
Add support for vector type (PYTHON-1352)
Cryptography module is now an optional dependency (PYTHON-1351)
Bug Fixes
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Store IV along with encrypted text when using column-level encryption (PYTHON-1350)
Create session-specific protocol handlers to contain session-specific CLE policies (PYTHON-1356)
Others
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Use Cython for smoke builds (PYTHON-1343)
Don't fail when inserting UDTs with prepared queries with some missing fields (PR 1151)
Convert print statement to function in docs (PR 1157)
Update comment for retry policy (DOC-3278)
Added error handling blog reference (DOC-2813)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
