Overview of changes from libfolks 0.9.4 to libfolks 0.9.5
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Dependencies:

Major changes:
• Multiple IndividualAggregator instances are now not officially supported.
Clients should use the new IndividualAggregator.dup constructor to retrieve
the default aggregator singleton. The default IndividualAggregator constructor
and IndividualAggregator.with_backend_store are now deprecated.

Bugs fixed:
• Bug 705289 — Crash when removing an individual with 2 aggregators instantiated
• Bug 706532 — folks_small_set_copy() does not always return value

API changes:
• Add IndividualAggregator.dup constructor
• Add IndividualAggregator.dup_with_backend_store constructor