Merge pull request #105 from Rathil/master

Fix №2 for method count without specifying $criteria but with the limit||skip||etc... in defaultScope
Fixed: https://github.com/Sammaye/MongoYii/issues/107
Fixed: https://github.com/Sammaye/MongoYii/issues/108
Merge pull request #106 from Rathil/master

Correction comments and fix same bugs
Tested code cleanup
Added note about journal not being straight to disk
Completed EMongoClient
Completed EMongoCriteria
Completed MongoCursor
merge with base/master
refactoring EMongoSort and EMongoDataProvider