Adds a DBaccess class

Adds a class to manage conections to the database
Adds config file

Adds config file with DB config conections
Adds a class to securize parameters received

The new class have a method to compare parameters with a regular expresion.
Modifies name to DBaccess methods.

Modifies name to DBaccess methods to homogenize language
Add the first approach to use case getRecipe

Now get a basic parameters to Recipe, these parameters are on RECIPE
table in database