TODO: (Perceptron)
* Create documentation about this project.
* Create TC suite for each functionality.
* Create Old Milestones and mark as Done (for traceability only)
* Create New Milestones with due dates and task according to a plan.

Perceptron neural network was refactored to translate all the spanglish in the code to Inglish
(TODO: refactor comments)
Implemented Layer Neural Net Multi types.
(TODO: review architecture of constructor and seters)
(TODO: refactor of to string and from string and save to file and up from file)
In progress implementation new strategy for adaptively constructing multilayer feedforward neural networks.