{@link ModelMaker ModelMaker} creates the model from AST by traversing the tree.
{@link ModelUtils} have various utility functions for model traversal, etc.
{@link org.python.pydev.editor.model.AbstractNode AbstractNode} is the main node API. Subclasses modify it as needed. See ClassNode, FunctionCallNode, etc...
The definitions of local variables are inferred. The first mention of every local variable (implicit definition) is stored inside Scope. Scope is intended for repository of inferred data.
We still need to work on processing of the include modules.