Reflect the new callee-push interface.
Reflect the new callee-push interface.

Use the (svn_error_t *) and return-by-reference conventions that we
have adopted everywhere else.

Got rid of non-streamable property functions.

Long comment about implementation of property reading and writing.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion