+ Added standard PDO and MongoDB response object
+ Added PDO and MongoDB exceptions
+ Added a global connection object to standardize connection interfaces
+ Fixed annotations on dbBaseTrait
+ dbConn moved from project root to dbBase namespace
- Removed unnecessary exception throws from template engine
+ Simplified the architecture of router class
+ Added responseBase object
+ Changed the app config access method from including the file and accessing to the appSettings variable to directly receiving the returned variable by the appConfig file