first classes for new AST
more ast classes
more ast classes
dat ast
ast ast ast
first ast successfully executed
removed temp test code and improved some things
lot of new parsing implemented
added casting and more shit
more parsing functions and grammar specification
probably finished new parser
huge progress on parsing. execution still failing
unify operator parameter names
things getting fucked up
progress in evaluating all kind of calls. seems pretty stable for now
implemented arithmetic operators
minor improvements. unary operators need to be checked
minor improvements
function calls seem to work now + minor changes
added iterable interface to stack