Removed wrong assembly path from default config.
Break into debugger on assembly load error.
Modified error message to display system database name.
Added comments.
Query results table doesn't use postfix by default.
Batch name and query name added to support future use of results name patterns.
Factored out single server functionality.
Other changes to query factory instantiation.
Fixed issue with non-existent dataset while substituting defaults.
Moved Code and Temp to query object from query factory.
Code and Temp are always figured out from federation (except in single server mode.)