Merge pull request #579 from skpcharles/master

changed the resourcetype for shelf
Added fix for connection close related issue
Added fix for connection close related issue
Merge pull request #580 from sheebans/master

Added fix for connection close related issue
Added cache for custom  table query fetch
Merge pull request #581 from sheebans/master

Added cache for custom  table query fetch
Revert "Added fix for connection close related issue"

This reverts commit 8ecc9a14e3932650ae4ce80f2f7254afbb71b930.
Revert "Added fix for connection close related issue"

This reverts commit 432f3fb44eb65d01ff07b74e1f2fd35b07db62e8.
more changes on connection not close issue