gofedf v1.0.0

• Added a new feature to compute the p-value of the test, improving the reliability of the results.
• Eigenvalues are now computed using the analytical solution of the integral equation. Our simulations showed better Type I error rate control with this method.
• The package now offers two methods for computing eigenvalues (and as a result p-value): using the analytical solution of the integral equation or approximating it with a matrix equation.
• Improved documentation, both within the package and on the GitHub page.
• Some restructure of internal functions to keep the package more modular
• Fixed minor typos in code comments.