test voor het committen...
commit test
parser thinks it has changes
removal of readme (now with the right commit name)
moved visitor helper files to packages.
errors no longer trigger exceptions, refectoring is needed here.
test suite created for the test cases
unit tests aangemaakt
removal of optional negative integer
split of unittests + added test statements for all Expressions
altered expressions checker to be able to handle bool, int
Allow int in Eq en NEq (==, !=) and implemented unittest
Created computed question (in grammar and class)
Removed old computated stuff (from type object)
printer update, typo
Expression added to form visitor
Moved expr visitor to Expr node
Rename of methods
Created Question super class of Normal Question and Computed Question
renamed getName to getValue
Replaced error list type from List<Message> to List<String>
Undefined type added when Identifiers are not found.
Merge branch 'ruudvanderweijde-master'