Hurry.query

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- Nothing changed yet.

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- Drop support for Python 2.7, 3.5, 3.6.

- Add support for Python 3.9, 3.10, 3.11.

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- Add support for Python 3.7.

- Add support for Python 3.8.

- Drop support for Python 3.4.

- Replace `time.clock` with `time.perf_counter` and fix deprecation warnings.

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- Add ``Ids`` term that include already known intids in a query.

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- Support for python 3.4, 3.5 and 3.6 in addition to python 2.7

- Cleanup in preparation for python3 support:

Bugfixes:

- API change: fix And(weighted=) keyword argument typo

- API change: remove utterly broken ``include_minimum`` and ``include_maximum``
arguments to SetBetween(), provide ``exclude_min`` and ``exclude_max`` instead.

- API change: fix broken SetBetween.apply(): introduce ``cache`` arg

- Fix ExtentNone() super delegation bug

- Fix TimingAwareCaching.report() edge condition bug

Major:

- Remove unsupported transaction_cache

Minor:

- Clarify HURRY_QUERY_TIMING environment and searchResults(timing=) type

- Fix TimingAwareCaching.report() output typo

- Clarify Query.searchResults(caching=) argument type

- Remove unreachable code path from And()

Dev:

- Maximize test coverage

- Add Travis and Tox testing configurations

- Bypass bootstrap.py

- Various python3 compatibility preparations

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- Update dependencies not to rely on ZODB3 anymore.