Refactored getFirst() => Moved the method to the production
Renamed package from rule to nodes
Added Grammar Interface
Added endmarker interface
Syntax implements now form IGrammar
Restructured Production
Reduced NodeUtil Functionality
Removed FIXME
Implementation of Nullchecker
Added Implementation of Dragon Grammar
Some Tests for Nullable (not working yet)
First Analyser with test
Added FollowAnalyser with Test
Some Test Cleanup
Some formatting
New Production implementation
Formatting
Readded methods
Renamed Syntax to grammar