Added the td element IDL
Implemented the HTML td IDL (adding new element)
Added the th element IDL
Implemented HTML th element.
Added files
Adjusted to refactoring
Added the table section IDL
Implemented the table section IDL, removed public modifier
Added the table element IDL
Implemented the HTML table element IDL
Refactored
Added files
Adjusted to refactoring
Using the interface instead of the (now internal) class