Added threadpool for check version integrity#176

Szczyrk wants to merge 2 commits intoexperimental/improved-download-unpacking-installationpatchkit-net/patchkit-patcher-unity:experimental/improved-download-unpacking-installationfrom

features/v3.17.x.x/threadpool-for-check-version-integritypatchkit-net/patchkit-patcher-unity:features/v3.17.x.x/threadpool-for-check-version-integrityCopy head branch name to clipboard