2.09.05

• Adding support for the following standardized C++ macro constants: INTPTR_MIN, INTPTR_MAX, INTMAX_MIN, INTMAX_MAX, UINTMAX_MIN, UINTMAX_MAX.
• Adding EA_CHAR8_UNIQUE as a feature flag when char8_t is a unique type for UTF8 characters in the type system. This is for C++20 support.