Added Line and Column to the values of the validation error thats send back to the user.
Added check that checks if doctype is on first Line of a document. Added check if does only exist once in a html document.
Added check if doctype meets international standards to the doctype check.
Worked on a check in the basecheck that checks if the elements are in the right order.
Merge remote-tracking branch 'origin/develop' into feature/Doctype/Basecheck
Bugfix check, Set checks from private to public.
Finished Base Check, Edited Doctype Check, Fixed bug in Tokenizer, Fixed bug in validator.
Merge branch 'feature/Doctype/Basecheck' of https://github.com/leerbedrijflisa/raven into develop