reword cloth exception
add polymorphism support to log_repr
add _href to @mrpc for hateoas.
fix HttpPattern.host parsing regexps
fix null handlers in cloth
minor docstring updates
minor
XmlCloth: add support for polymorphism
XmlCloth: bare-body methods should pass the ctx.out_object itself down the serialization pipeline
tweaks for debug-print statements
XmlCloth: log missing handlers
minor
XmlCloth: hold subprot switch until the relevant tag is entered.
move cloth check before polymorphic class replace
some more debug-print beautifications
don't write already-written tag siblings
minor func rename
make log_repr handle non-instances as objects
update docstring for spatial primitives
fix StringIO/BytesIO confusion in in-memory file upload processors.