increase the number of iterations on threaded tests from 100 to 1000
increase the number of iterations on threaded tests from 100 to 1000

--HG--
extra : convert_revision : svn%3Acef11e0c-2622-11df-baa9-c5a8049e1931/trunk%40116

msabramo/_pymssql_2013-09-09,msabramo/_pymssql_2013-09-09,msabramo/_pymssql_2013-09-09