Added problem10.pl with description.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added primeChecker function.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Fixed typo in comment.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added solution to problem 10.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added timer to problem 10. Need to improve speed.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added problem11.pl with problem description.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>