* Release 0.1.0
* Fix EOF and error indicator in streams (src/libs/c/stdio.c)
* Fix all return values (and all the referencing functions) in src/libs/c/stdio.c
* Release 0.2.0
* Import ax_prog_doxygen.m4 macro from autoconf-archive
* Add Doxygen related checks in configure.ac.in
* We should use AC_CHECK_TOOL instead of AC_PATH_PROG machineries that we have. This approach should handle cross-compilation cases
* Add all the needed tests in configure.ac.in in order to check for required GCC features (like __builtin_* for stdarg.h macros)
* Rearrange the build process in order to use EXEEXT (if needed)
* Release 0.3.0
* Release 0.4.0
* Fix bootstrap in order to exit when a missing program is called
