Updated meta function and title function in theme class.
Updated theme class and added a getter function of template.
Implemented test cases of Theme class.
Created two getter function in Layout class.
Implemented test cases of Layout class.
Updated view class.
Added test cases of Ajax Controller and Response classes.
Added test cases of View class.
Added test cases of Erdiko class.
Fixed bugs in Cache class.
Updated test cases of Layout class.
Cleaned up Controller class.
Updated default config.
Added test cases of Toro class.
Added VARROOT.
Updated test cases of Cache class.
Removed test cases of Container class because Container class is not a abstract class.
Updated Layout class and its test cases.
Cleaned up test cases of Erdiko class.
Removed setView() in Controller class. And updated it test cases.