MetaCall Distributable v0.5.0 [2021-09-27]

• Typo in comment.
• Change ruby 3 by 2.7, the version 3 is still not supported.
• Solve ruby and cobol paths.
• Add the dependencies build in deps for caching.
• Temporary disable netcore and build with latest version of node, ruby and python.
• Trying to update metacall and add multicore builds.
• Update metacall.scm
• Stopped by 'error NU1101: Unable to find package'.
• Trying to make CodeAnalysis dependency work.
• Pulling nonguix properly and linking netcore, trying to implement codeanalysis dependency.
• Add base for nonguix and netcore.