The aggregation flag allowDiskUse was incorrectly named 'allowDiskUsage' which was preventing this functionality from working.
Merge pull request #1168 from joaofranca/allowDiskUse

Aggregation cursor flag 'allowDiskUse' correction
Made geoNear and geoHaystackSearch not care about what parameters are supported, #1167
Updated doc for insert function for NODE-173
Merged #1169
Moved code to #1171 to make the options cloning universal for all commands
Updated history and package.json
Added blogs for christian and valeri
Fixed indent
Fixed indent
Fixed twitter links
Fixed twitter links
Update core.js
Update connection.js
Fixed - missing var, poluting global variables
Added test code for cursor.count
Merge pull request #1173 from dahinir/patch-2

Update connection.js
Merge pull request #1172 from dahinir/patch-1

Update core.js
Merge pull request #1174 from dainis/fix-global-var-leak

Fixed - missing var, poluting global variables
Accept messages up to max bson wire message size, NODE-184