Add profiling for remaining Collections class methods and Database command method

[Algatux]

We need to profile remaining non profiled Collection class methods and evaluate to profile Database class methods too.

[GromNaN]

Hello, instead of using the proxy "Capsule" classes to profile commands, you can use the monitoring features. This will work for every command that is sent.
Here is an example of how to do: https://github.com/mongodb-labs/symfony-mongodb/blob/0.2.1/src/DataCollector/DriverEventSubscriber.php