Polymake.jl 0.4.1 released

Today Polymake.jl 0.4.1 has been released.

Diff since v0.4.0

Closed issues:

• Make a release with CxxWrap 0.10 support (#264)
• Spurious test failure in test/matrices.jl (#274)

Merged pull requests:

• work around XCode 11.4 typeinfo issue (#270) (@benlorenz)
• Bump version to v0.4.1 (#273) (@saschatimme)