Use PUGI__SCANWHILE for strconv utilities
Use PUGI__SCANWHILE for strconv utilities

This makes it easier to optimize strconv. For consistency move all definitions of parser-internal macros to one place.

git-svn-id: 3715ede575e2934be0fecc9022d600f6f7ea101b@1007 99668b35-9821-0410-8761-19e4c4f06640

zeux/pugixml,zeux/pugixml,zeux/pugixml,zeux/pugixml