dorian's changes result in API changes which must be documented

--HG--
branch : HTML-HTML5-Parser
API changes necessitate test case changes; switch from Mo to Moo while we're at it

--HG--
branch : HTML-HTML5-Parser
bump version; changelog

--HG--
branch : HTML-HTML5-Parser
rename test case

--HG--
branch : HTML-HTML5-Parser
rename : xt/05leak.t => xt/zzleak.t
what a cop out

--HG--
branch : HTML-HTML5-Parser
speling

--HG--
branch : HTML-HTML5-Parser
mergeymerge

--HG--
branch : HTML-HTML5-Parser