Added second text field for input and modified add button.
Created framework for parsin input data.
Input validation done.
Renamed functions and created number array for Monom creation after parsing input string.
Number array used to create the monomlist and returned to MainFrameController.
Added new validation criterium.
Added Labels and fixed createMonom function.
Added validation criterium for sign and uniqueness of the exponent.
Added documentation to MainFrameController and Validation classes.
Merge pull request #2 from benelori/input

Input