take care of LazyBSONObject
check id and set to "notNew"
findAndModify have bug
LazyDBObject with _id
add command ping
add command buildInfo
same as mongodb
take care of LazyDBList
command failure
command failure
add system.indexes, system.users and possibility to create the collection when insert
Merge branch 'master' into minors-changes

Conflicts:
	src/main/java/com/foursquare/fongo/impl/Aggregator.java
	src/main/java/com/foursquare/fongo/impl/Util.java
	src/main/java/com/mongodb/FongoDB.java
	src/main/java/com/mongodb/FongoDBCollection.java
	src/test/java/com/foursquare/fongo/FongoTest.java
add forceerror
Merge pull request #74 from twillouer/minors-changes

Minors changes