Fix documentation
Cosmetic fixes
Refactor writing of abc::_scope_trace to use template recursion
Increase compliancy of abc::_std::tuple
Fix non-variadic abc::_scope_trace template
Combine #if/#else blocks with identical conditions
Split abc::to_str_backend format setting in separate method so constructor can be defaulted
Fix non-variadic template _writer_print_helper::write_repl()
Remove redundant ABACLADE_SYM in .cxx files
Make abc::app non-copyable
Make abc::exception::async_handler_manager non-copyable
Mark more classes as non-copyable
Access string traits via abc::istr
Combine similar macros to specialize abc::to_str_backend
Remove unnecessary ABACLADE_SYM
Split abc::text::utf_traits template in individual traits classes
Remove unused abc::text::utf*_traits members
Discard unused members of abc::text::utf32_traits
Rename methods for clearer semantics
Add different sizing methods to abc::*str