Add the TablaTransicionAFN class.

The TablaTransicionAFN class represents a transition table of a NFA.
Add the TablaTransicionAFD class.

The TablaTransicionAFD class represents a transition table of a DFA.
Add the AFN class.

The AFN class represents a non-deterministic finite automata.
Add the AFD class.

The AFD class represents a deterministic finite automata.
Add the class Nodo.

The node class represents a node of a tree.
Add the T class.

T represents a node representing a non-terminal T.
Add the Terminal class.

Terminal represents a node representing a terminal.
Add the classes Exp, Factor, Parentesis, R, S and Term.

Exp represents a node representing a non-terminal exp.
Factor represents a node representing a non-terminal factor.
Parentesis represents a node representing a Parentesis.
R represents a node representing a non-terminal R.
S represents a node representing a non-terminal S.
Term represents a node representing a non-terminal term.