fut 3.3.9

How to install:

• Windows: download and run fut-3.3.9-win64.msi
• macOS: brew install fusionlanguage/fut/fut
• Ubuntu: download and install fut_3.3.9-1_amd64.deb
• Fedora: download and install fut-3.3.9-1.x86_64.rpm

Changes since 3.3.8:

• C#: emitting a null-forgiving operator
• TypeScript: emitting a non-null assertion operator (requested by @ariankordi)
• /* and */ are escaped in documentation comments (requested by @ariankordi)
• Documentation comments and individual dollar characters are accepted in native (requested by @ariankordi)
• C and Swift: fixed exceptions in Main (reported by @ariankordi)
• C++: fixed invalid calls of .data() on string literals
• An error issued for non-constant RegexOptions (#259 requested by @kordood)