overflow counter should only be decremented if the connection actually
succeeded. added a test script to attempt testing this.
- fixed mysql reflection of default values to be PassiveDefault
-- added reflected 'tinyint' type to MS-SQL [ticket:263]
+- added reflected 'tinyint', 'mediumint' type to MS-SQL [ticket:263],
+[ticket:264]
- SingletonThreadPool has a size and does a cleanup pass, so that
only a given number of thread-local connections stay around (needed
for sqlite applications that dispose of threads en masse)
ischema_names = {
'bigint' : MSBigInteger,
'int' : MSInteger,
+ 'mediumint' : MSInteger,
'smallint' : MSSmallInteger,
'tinyint' : MSSmallInteger,
'varchar' : MSString,