Added solution to problem 6.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Implemented the Perl exponent operator.

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added problem7.pl

Signed-off-by: Andrew Coomes <ajc@ajcdrift.com>
Added description for problem 7

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