0.1.5
Add functions for constructing, parsing and emitting YAML documents.
Fixed non-ANSI initializations (fixes #115).
Fixed a bug which prevented an empty mapping from being used as a simple key (#150, thank to spitzak(at)rhythm(dot)com).
Prevent node index overflow (Reported by Florian Weimer).
Limit input size to SIZE_MAX/2.
Forgot to set the error state.
Always use lower case in error messages.
Manually define PTRDIFF_MAX for VS C compiler.