This fixes a compile error that occurs on ESP32 when the underlying IDF version is 5 or greater.

Very minor release that fixes a compiler warning on Arduino mbed and mbed..

This release provides better handling of compile-time options.

This library should now support both RPI pico cores.

Make all possible template functions const so that const references and pointers can be used.

• a specialized circular buffer for byte only. Probably performs better for byte storage with a template version that can store any simple type, it can be created in pool mode to act as a pool
• on STM32Duino, processor level CAS is now used.
• The processor determination is now moved into its own class.

Support for thread-safe circular buffers on many platforms.
Allow removal of elements from btree lists.

Correct URL in library.properties

The first release that is broken out from IoAbstraction. In the next IoAbstraction release, we'll depend on this library and remove the code from there.