#1 Should not parse attachments of type text/xml

[Byrne Reese]

There are only some circumstances where attachments
should be parsed if they are type xml - and that is
when they are referenced somewhere in the SOAP
Envelope. This could cause problems if attachments
reference entities that don't exist etc. One problem I
know it has caused is when an attachment not relevant
to the current call had a bad encoding type -
XML::Parser croaked and the call failed. No good.