Adds:

    -lAttributes

        Returns another format of the results attribute list. Per
        attribute a sublist  of  {{attname}  atttype  attlen}  is
        returned  and  an  empty  string  if  no attributes where
        received.

    -numAttrs

        Returns the number of attributes in the result.

function so I am going to assume that it is such a good idea that no
one sees any point in discussing it.  :-)  I have made two changes -
I have merged this into pgtclCmds.c and I have taken out any code for
updating tuples after the loop body runs.  See comments for discussion
of this.

I have also fixed up the error checking stuff so that break, continue
and syntax errors have the expected result.

Submitted by: D'Arcy Cain