Minicoro Versions Save

Since last release, the following new platforms have been supported and tested:

• Mac OS (arm/arm64)
• iOS (arm/arm64)
• DOS emulators using DJGPP compiler
• RISC-V (rv32)

And the following new features were added:

• mco_yield may now return MCO_STACK_OVERFLOW when it detects that stack overflow happened

This is a bug fix release, with fixes for compiling and running on Mac OS X x86_64.

This is the first release of minicoro, supporting the following platforms:

• Windows
• Linux
• Android
• Mac OS
• Raspberry Pi
• WebAssembly
• RISC-V