Metacat

1. Added code to start the indexing thread.
2. Fixed a bug in the query on xml_nodes and xml_index
3. Added more debug statements
4. Fixed a bug in code which determines namespace

New function which returns the formatted left join query. This is required as Oracle and postgres have different left join syntax

Add more debug info.

Using join query for more efficiency.

Add class as parent class add method.

Add method as parent class adding method.

Add method as parent class adding a method.

Add a method to get doc list query.

Fixed bug to get docid list.

Add more info transfer.