Fixed folding bug (detecting indentation, example 8.2), and clipping/stripping empty strings (example 8.6)
Fixed folding bug (detecting indentation, example 8.2), and clipping/stripping empty strings (example 8.6)

steinwurf/yaml-cpp,bassosimone/yaml-cpp,bassosimone/yaml-cpp,steinwurf/yaml-cpp,bassosimone/yaml-cpp,bassosimone/yaml-cpp,steinwurf/yaml-cpp,eacousineau/yaml_cpp_0_2_7,steinwurf/yaml-cpp,eacousineau/yaml_cpp_0_2_7