Add Numerate helpers
Add more function interfaces, add package info files
Refactor core AST APIs, fix several issues but break AST filtering
Add more reflection helpers
Refactor internals of AST identifier tokenizer
Add missing toString methods for AST functions
Add simple and probably very slow AST traverser
Add AST cached traverser
Refactor AST type filters
Add missing Nullable annotations to methods in AST node type
Remove AST functions utility class
Add missing equals and hashCode methods for AST functions
Rename some internal classes in AST APIs
Fix equals for AST type filter, fix some minor bugs
Refactor internals of AST predicates
Refactor AST type filter to class filters
Add more AST transformers
Add more collector interfaces
Remove AST prefix from all AST API classes
Fix compilation errors after AST core refactoring