Remove now-unused makecheck.py
Add --help text to ABC Make
Improve code documentation
Finish support for move-only types in abc::*vector
Improve code documentation
Migrate abc::testing::runner::m_vptc to use std::unique_ptr instead of raw pointers
More test cases and assertions for abc::*vector
Add abc::*str::starts_with()
Change abc::file_path’s internal representation to accept non-absolute paths
Add missing ABC_TRACE_FN()
Replace abc::file_path::data() with abc::file_path::os_str()

The new method allows to generate a temporary string, which is needed for Win32.
Delete accidental duplicate definition
Add abc::*str::ends_with()
Add tests for abc::*str::starts_with() and ends_with(), fix discovered bugs
Update disabled code
Fix abc::file_path normalization
Add more tests for abc::file_path
Merge static version of some abc::file_path members with the non-static version
Add file_path::current_dir_for_volume() and reimplement file_path::absolute() for Win32
Improve documentation