skip flymake junk when reloading this avoids nasty ex aequo scores in selectors in dev. mode

merge back to stable some changes made on site for a customer.

[win32 SQLServer] connection lost detection The pyodbc driver when connected to SQLServer 2005 reports lost connections in a quite strange way, raising a pyodbc.Error exception with a specific exc.args value. This patch catches these and reconnect properly.