Crash

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- Added support for setting an external pager via ``\pager <executable>``

- Added ROLE keyword for autocomplete & autocapitalize

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- Added support for Python 3.12.
- Added possible output format choices for ``--format`` argument to
``crash --help``. Thanks, mfussenegger.

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- Fix inconsistent spacing around printed runtime. Thank you, hammerhead.

- Add support for multi-line input of commands and SQL statements for both
copy-pasting inside the crash shell and input pipes into crash.

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- Add support for Python 3.11, and drop support for Python 3.5 and 3.6.

- Fix compatibility issue with ``crate-0.30.0`` in the area of comparing
server version numbers.

- Dependencies: Update to tabulate 0.9, platformdirs, and prompt-toolkit v3.

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- Added support for Python 3.10.

- Fixed tabular output with rows containing only whitespace or other
non-printable characters by upgrading to upstream ``tabulate`` package.

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- Added support for Python 3.9.

- Upgraded the CrateDB python driver to 0.26.0 in order to enable TCP keepalive
on the socket level.

- Made ctrl-d only quit program on empty command line, like any other shell.