fixed the fill() method and added the printMatrix() method
Merge branch 'master' of https://github.com/wjoz/matrix_read
Merge branch 'master' of https://github.com/wjoz/matrix_read
Merge branch 'master' of https://github.com/wjoz/matrix_read
Merge branch 'master' of https://github.com/wjoz/matrix_read
Added the readNumbers() method that prints the numbers from an external file.