add findAllByPk method to EMongoDocument

to meet the needs of RESTFullMongoYii
add findAllByPk method to EMongoDocument

to meet the needs of RESTFullMongoYii

needs tests added
Merge pull request #99 from sheershoff/master

Added findAllByPk method to EMongoDocument
Added test for FindAllByPk and added ability for findAllByPk to also
take MongoId
Fixed https://github.com/Sammaye/MongoYii/issues/100
Fixed: https://github.com/Sammaye/MongoYii/issues/101
Fix for method count without specifying $criteria but with the condition in defaultScope
Merge pull request #104 from Rathil/master

Fix for method count without specifying $criteria but with the condition in defaultScope
Fix #2 for method count without specifying $criteria but with the limit||skip||etc... in defaultScope
merge with base/master
Rewrite old fix #2
Remove extra checks
Merge pull request #105 from Rathil/master

Fix №2 for method count without specifying $criteria but with the limit||skip||etc... in defaultScope
Correction comments in EMongoClient.php
Correction comments in EMongoCriteria
Correction comments in EMongoCursor
Fixed: https://github.com/Sammaye/MongoYii/issues/107
Fixed: https://github.com/Sammaye/MongoYii/issues/108
fix same code and back same code
back some code