CQL filter treats Number as String on MongoDB DataStore
Description
In Mongodb datastore, the CQL filter on rule like this 'myproperty > 0' treats all kind of number as a String.
myproperty's definition is
Schemas Document
The corrispondent mongodb's query is:
Logged query on mongod shell
Environment
Windows 7 64bit, Mongodb 3.0, GeoServer 2.10.1
