Write a function named number_square that accepts two integer parameters, a $min and a $max,
and prints the numbers in the range from $min to $max inclusive in a square pattern.
Each line of the square consists of a wrapping sequence of integers increasing from $min and $max.
The first line begins with $min, the second line begins with $min + 1, and so on.
When the sequence in any line reaches $max, it wraps around back to $min.
For example, the call of number_square(1, 5) should print:
12345
23451
34512
45123
51234
If either $min or $max are negative, your function should throw an Exception with the message,
"Error: min and max must be non-negative". Otherwise, if passed a value for $min
that is greater than $max, your function should throw an Exception with the message,
"Error: min must be less than or equal to max". You may assume that $min and
$max are both integers.
