update documentation here and there: add a large section about utf8/latin1/ascii flags, add a security consideration and extend and clarify the JSON and YAML section.
medium speed enhancements when encoding/decoding non-ascii chars.
minor speedup in number encoding case.
extend and clarify the section on incompatibilities between YAML and JSON.
switch to static inline from just inline when using gcc.
add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
fix some issues with UV to JSON conversion of unknown impact.
published the yahoo locals search result used in benchmarks as the original url changes so comparison is impossible.