[chore]: Reintroduced virtual dtor and friends.
[chore]: Reintroduced virtual dtor and friends.

Lazily removed the virtual destructor from run_policy instead of
explicitly declaring constructors when the compiler warned me.

Making amends now.

joakimkarlsson/bandit,kirkpatrickc/bandit,ogdf/bandit,kirkpatrickc/bandit,kirkpatrickc/bandit,ogdf/bandit,joakimkarlsson/bandit,joakimkarlsson/bandit