extracted ModuleCompiler from main
MethodCallGenerator.new should generate C AST for nil call parameters, fixed method call parameter parsing
simplified and marked Scenario: Class instantiation with nil's as arguments as done
Ast::MethodDef and Ast::CtorDef keep Ast::Identifier's as args
Parser generates identifiers instead of strings for method call args
refactored Parser tests
added Scenario: Method call with no arguments and marked as @wip