[mongodb] Fixes memory leak in get_table.  Closes #159
[mongodb] Fixes memory leak in get_table.  Closes #159

bmbouter/kombu,Elastica/kombu,iris-edu-int/kombu,numb3r3/kombu,Elastica/kombu,alex/kombu,bmbouter/kombu,numb3r3/kombu,andresriancho/kombu,celery/kombu,iris-edu-int/kombu,depop/kombu,daevaorn/kombu,andresriancho/kombu,romank0/kombu,romank0/kombu,urbn/kombu,mverrilli/kombu,xujun10110/kombu,cce/kombu,tkanemoto/kombu,ZoranPavlovic/kombu,xujun10110/kombu,mathom/kombu,daevaorn/kombu,jindongh/kombu,jindongh/kombu,mverrilli/kombu,tkanemoto/kombu,ZoranPavlovic/kombu,alex/kombu,depop/kombu,mathom/kombu,cce/kombu