fut 3.1.1

How to install:

• Windows: download and run fut-3.1.1-win64.msi
• macOS: brew install fusionlanguage/fut/fut
• Ubuntu 22.04+: download and install fut_3.1.1-1_amd64.deb
• Fedora 38+: download and install fut-3.1.1-1.x86_64.rpm

Changes since 3.1.0:

• Use case MyClass: instead of case MyClass _:.
• Exceptions with no message: throw Exception().
• Implemented case null when ....
• Fixed case VALUE when ... with an early break in Java.
• Implemented arrayStorage/listOfRefs.Contains in C and C++.
• Main in a D namespace.
• Improved error messages.