haxr (XML RPC) rendering of string values

[Johannes Waldmann]

> "Any characters are allowed in a string except < and &, which are
> encoded as &lt; and &amp;. A string can be used to encode binary data."

I made the quick "fix" of adding the last line in Internals:

readString :: Monad m => String -> Err m String
readString = return . replace "&amp;" "&" . replace "&lt;" "<"
             . replace "&gt;" ">"
             . replace "&#32;" " "
-- 
-- Johannes Waldmann -- Tel/Fax (0341) 3076 6479/80 --
---- http://www.imn.htwk-leipzig.de/~waldmann/ -------