v1.8.0

Changelog

• Replacing deprecated boost filesystem with std filesystem.
• Removing boost filesystem dependency.
• Updating to Boost 1.74.

Commits

deb2189 #! v1.8.0
3ed3762 Fixing github tests, cmake files, readme, ...
60a9bd0 Fixing issue with different behavior of / operator on filesystem paths.
011ed98 Updating submodules.
8b69549 Updating submodules.
1d079b0 Updating submodules.
786feb3 Removing Boost filesystem dependency in favor of std::filesystem.
b2d4fa2 Replace unlisted ZMQ library in Windows build with the one which works