memo v1.1.2 (Release date: 2025-12-10)

* Remove use of non-API entry points
* Bug fixes in permanent_cache
* Improve code test coverage

memo v1.1.1 (Release date: 2023-12-11)
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* Correct issues raised by CRAN check:
  * Always cast argument of 'printf("%p", )' to '(void *)'

memo v1.1 (Release date: 2023-02-10)
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Changes:

* Introduced "hashmap" class
* Correct issues raised by CRAN check:
  * Changed uses of 'sprintf' to 'snprintf'

memo v1.0.2 (Release date: 2022-04-05)
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Changes:
* Updates to documentation

memo v1.0.1 (Release date: 2018-01-01)
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Changes:

* Addressed potential protection issues raised by rchk
* Update to use MARK_NOT_MUTABLE instead of NAMED.

memo v1.0.0 (Release date: 2016-08-22)
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Initial release.
