fut 3.1.2

How to install:

• Windows: download and run fut-3.1.2-win64.msi
• macOS: brew install fusionlanguage/fut/fut
• Ubuntu 22.04+: download and install fut_3.1.2-1_amd64.deb
• Fedora 38+: download and install fut-3.1.2-1.x86_64.rpm

Changes since 3.1.1:

• string.ToLower(), string.ToUpper() by @caesay (#143)
• StringWriter enabled for C
• C fixes (#26, #135, collections, public members of internal class, return of dynamic object initializer)
• C++ fixes (#138, number TryParse, Environment.GetEnvironmentVariable)
• if (!number.TryParse(str)) implemented for Java