Increase code coverage so that other than the out-of-memory conditions, the code is entirely covered.
Some areas of the code have been tweaked for performance optimizations.
Bug fix! A bug has been identified and fixed in the unordered_multiset data structure in the unordered_multiset_remove_all function.
This bug would occur when more than one entry exists in the bucket in which the element is occupying, and that element had a count of more than one.