Merge pull request #24 from Eric-Butcher/bugfix/prng-virtual-destructor

Added virtual destructor to PRNG class.

Author: Eric-Butcher

include/prng.hpp

@@ -16,6 +16,7 @@ class PseudoRandomNumberGenerator
         PseudoRandomNumberGenerator(const uint64_t seed);
         PseudoRandomNumberGenerator(const uint64_t minimum_value, const uint64_t maximum_value);
         PseudoRandomNumberGenerator(const uint64_t seed, const uint64_t minimum_value, const uint64_t maximum_value);
+        virtual ~PseudoRandomNumberGenerator() {}
 
         uint64_t generateCryptographicallyInsecureSeed();