Refactored exceptions
Enhanced toString()
Changed toString()
Changed view
Modify validation logic
Refactored package structure
Literals replaced by constants
Documented validation result bean
Fixed bug with counter
Fixing bugs in NewsDAO. Working application (bug with delete action in frontend)
Documented class
Added error message to constants
Added error message to counter constants
Add documentation
Enhanced exception handling logic at DAO layer
Added some package-info files
Corrected displaying date width
Finished service exceptions handling using aspects
Finished 404 page
Refactored package with aspects