WavPack 5.2.0 Release

WavPack 5.2.0 contains fixes for potential security issues including the following CVEs:

• CVE-2018-19840
• CVE-2018-19841
• CVE-2018-10536
• CVE-2018-10537
• CVE-2018-10538
• CVE-2018-10539
• CVE-2018-10540
• CVE-2018-7254
• CVE-2018-7253
• CVE-2018-6767

Since the previous release, WavPack is now working with Travis CI, CMake, and Google's OSS-fuzz project.

Other minor fixes and improvements are listed in the official news file.