Commits for a 5.0.4 release which patches issues found since 5.0.3.
Adds the following fixes:
Fixed bitset serialization (issue #24)
Fixed truncation in BitSet::or_and (issue #27)
Contains cherry picks of commits 65ff7ab1c3d8a532472b39af40acaf3480008a8b, 336a8b3bc2fb7c3123756a8e93082dbe85ecfaee and d4292d81f2391a5bb5e5747f0f6ceacec028c1e2.
Commits for a 5.0.4 release which patches issues found since 5.0.3.
Adds the following fixes:
Contains cherry picks of commits 65ff7ab1c3d8a532472b39af40acaf3480008a8b, 336a8b3bc2fb7c3123756a8e93082dbe85ecfaee and d4292d81f2391a5bb5e5747f0f6ceacec028c1e2.