for prime and fibon module, minor comment update.
update to reset method to PrimeNumber generator.

now reset function reset start number to the beginning number set when initializing the generator, instead of simple 2.
update for reset method in FibonNumber generator.

now reset function reset the start numbers to the numbers set when initializing the generator, instead of simply 0 and 1.
PrimeNumber generator now raises ValueError instead of Exception when start number is less than 2.
PrimeNumber generator now checks whether start number is an integer.
add IntegerNumber generator to integer module and updated isInt method.

IntegerNumber generator now generates infinitely many integer numbers without stop.
isInt now checks the type of input value.
add isOdd method, which is just the opposite of isEven.
add test cases for integer module.
remove unnecessary black lines for all files.