0.2.3
add -no-undefined to src/Makefile.am
Use pointer to const for strings that aren't/shouldn't be modified
fix C++-compat error
Support %YAML 1.2 directives (#172)
Avoid recursion in the document loader. (#127)
Remove need for PTRDIFF_MAX
Fix missing token in example (#169)
Removed trailing-whitespaces
build: do not install config.h