4.0.3

What's Changed

• Fix for filenames of the form "x/../y" by @pmqs in #742
• Check for zero length path in mz_path_has_slash by @pmqs in #741
• Match default compression level value in compress streams #726
• Use ZSTD compression level defaults. #726
• Fixed possible memory leak if realloc fails.

Full Changelog: 4.0.2...4.0.3