Review pymssql result processing code

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On the FreeTDS mailing list, James K. Lowden (one of the FreeTDS maintainers) 
took a look at the pymssql result-processing code and suggested some changes to 
make it use the DB-API of FreeTDS in a more canonical way. I don't know of any 
bugs in our current code, but James K. Lowden knows FreeTDS well, so it's 
probably worthy of reviewing his comments --we may have some yet unknown bugs:

http://permalink.gmane.org/gmane.comp.db.tds.freetds/15122

Original issue reported on code.google.com by msabr...@gmail.com on 17 Sep 2013 at 2:57