Add the cursor.min and cursor.max to the protocol.

As defined here: http://docs.mongodb.org/manual/reference/method/cursor.min/ and http://docs.mongodb.org/manual/reference/method/cursor.max/
Rescue SystemCallError instead of Errno::*
Merge pull request #264 from reidmorrison/master

Also catch SocketErrors when attempting to resolv a node address
upgrade to connection_pool 2.0
Merge pull request #271 from movielala/master

upgrade to connection_pool 2.0
Merge pull request #261 from slemiere/master

Add $min and $max query modifiers.
Fix spec for 2.6
Bump version
Merge branch 'master' of https://github.com/mongoid/moped