Added Problem 1 solution.

Signed-off-by: Ephphatha <ephphatha@thelettereph.com>
Merge branch 'master' of github.com:Ephphatha/Project-Euler
Added Problem 2 solution.

Signed-off-by: Ephphatha <ephphatha@thelettereph.com>
Added Problem 3 solution.

Signed-off-by: Ephphatha <ephphatha@thelettereph.com>