Adding support for , fixing a bug where applying a sort before another _addSpecial operator could remove that operator (added spec for the max_scan case)
Update changelog and some formatting.
Don't force aggregation pipeline to primary.

[ fix #143 ]
Update travis config to match mongoid
Add Collection#capped?

[ close #139 ]
Handle IOError connection timed out
Set socket timeout options on read / send
Update changelog
Add unique support to object ids.

[ fix #41 ]
Use symbol aliases
make Collection#aggregate use splat for pipelines
Add extra pipeline specs
Fix collection spec on travis
Bump version to 1.4.0
Fix style in session
Clean up binary source and extract spec
Cleanup code object
Cleanup bson document
Cleanup max key
Cleanup in min key