Import part of experimental STL implementation
Finish adding experimental STL implementation
Add missing inline qualifiers
Remove duplicate definitions
Move implementation of std::_shared_refcount to .cxx file, add missing ::abc:: qualifiers
Exclude STL fixes when ABC_STLIMPL is defined
Add #include <tuple> in abc.hxx
Add std::tie() and std::ignore
Add missing abc::text:: qualifier
Fix documentation
Remove incorrect byte count calculation
Delete dead (and wrong) code
Fix incorrect mix of byte count and char_t count
Reimplement abc::byteorder::swap() to detect unhandled integer sizes at compile time