Merge pull request #1 from trenton42/master

Allow collection.group to use a function for group keys
fix initialization when slaveok is allowed
Merge pull request #2 from beevek/master

Fix initialization when slaveok is allowed
point to updated modules for errors

Signed-off-by: Andreas Schobel <aschobel@gmail.com>
Merge pull request #3 from aschobel/master

New pymongo driver has errors in a different module
Fix Getmore code, when you really have alot of data and limit clause

No need to fetch more if you get all the data you need

In current case if you have a lot of data, code will fetch it all using chunks of LIMIT size and chop it later to just first one.
Merge pull request #4 from sevikkk/patch-1

Fix Getmore code, when you really have alot of data and limit clause
Merge pull request #5 from trenton42/master

aggregate
fix typo of errros to errors.