Interface for method description

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In EpODE the following informations about the problem must be provided:

• the method variables, and, optional, the method source;
• the method equations
• the starting procedure in a dialog box which will appear only if the method is of multistep type
• the solving procedure of the nonlinear equations only in the case when the method is of implicit type;
• the method variable which will approximate the exact solution in the case of a multivalue method.