Removed this type - makes no sense in CSS
Correctly support null value
Added some support for null types
Added new test for conditionals with variables
Worked on support for more operators (comparison) + extracted lists of operators into variables
Improved structure of list
Added comparison support for math operations
Worked on if-replacement during variable processing
Corrected test case
Do not establish new blocks for direct children thenBlock/elseBlock
Moved scopedata - removed special if-condition - trying it with an approach to merge scopes later on.
Added new values attribute for holding variable state.
Support for merging values from resolved if blocks.
Cleanup of debug message
Added more tests