libconfini 1.13.0

Changes:

• Support for C++ has been improved
• Standard header stdbool.h has been added to the library's public header for handling C++ compatibility
• Module-definition file src/libconfini.def has been added to the package tree for improving compatibility with Microsoft Windows
• Code page and UTF-8 strings in src/winres.rc have been adjusted
• Code review
• A --without-io-api option has been added to the configure script for compiling the library without the C Standard I/O API
• GNU Autotests have been implemented (via make check, make finishcheck and make installcheck – launch make help for more information about these targets)
• The package tree has been re-organized – all the files needed for developing the library and the documentation are now in the dev subdirectory
• Code review in the configure script (options --disable-maintainer-mode, --enable-author-mode and --enable-htmldoc have been created; the xargs utility has been removed from the requirements for building the package) and in the GNU Make environment (Makefile.am: the following targets have been created: make all-sources, make baremetal-csources, make expired, make official-csources, make official-sources, make official-symbols and make snapshot, furthermore † make author-clean has been renamed to make bootstrap-clean)
• Added GCC option -Wl,-out-implib,libconfini.lib to the mgwmake.bat script
• Documentation
• Examples