• Improved performance by caching internal compressor instances.

Changes since 0.1.0

• Updated build configs to support libdeflate versions using CMake (1.15 and newer).
• libdeflate 1.15 or newer is now required.
• --with-libdeflate no longer accepts a path on *nix. SetPKG_CONFIG_PATH environment variable to directory wherelibdeflate.pc is located to use a non-default location.