Version 0.9.9

Syncing with CRoaring v0.9.9

Full Changelog: v0.9.7...v0.9.9

Version 0.9.7

Patch release of CRoaring.

Version 0.9.6

Patch release to CRoaring.

Version 0.9.5

Syncing with the latest version of CRoaring.

Full Changelog: v0.5.0...v0.9.5

Version 0.5.0

Updated to CRoaring 0.7.3.

Full Changelog: v0.4.3...v0.5.0

Version 0.4.3

Patch release for COW bug.

Version 0.4.2

Bug patch release for older x64 CPUs.

Version 0.4.1

Performance update.

Version 0.4.0

Added Free method.

credit @Oppen

Version 0.3.1

Merge pull request #26 from Oppen/keep_view_alive

Keep track of buffer for frozen views