:::~ (CT) Started modifying structure of the results.sqlite DB

	modified:   TODO
	modified:   spg/__init__.py
	modified:   spg/parameter/paramdb.py
:::~     Create indices
:::~ (CT) Added automatic death of spg-workers which run very long jobs
	modified:   scripts/spg-master.py
	modified:   scripts/spg-worker.py
	modified:   spg/queue/base.py
	modified:   spg/queue/torque.py