Added lots of security using asserts.

src/Battling/Library/BattleStatCalculator.cpp

@@ -1,4 +1,5 @@
 #include "BattleStatCalculator.hpp"
+#include <Arbutils/Assert.hpp>
 #include "../../Library/Exceptions/NotImplementedException.hpp"
 #include "../Models/Creature.hpp"
 
@@ -24,12 +25,14 @@ Battling::BattleStatCalculator::CalculateBoostedStats(Battling::Creature* creatu
 }
 
 uint32_t CalculateHealthStat(Battling::Creature* creature) {
+    AssertNotNull(creature)
     auto level = creature->GetLevel();
     auto a = (creature->GetBaseStat(Library::Statistic::Health)) * 2 * level;
     return floor(a / 100) + level + 10;
 }
 
 uint32_t CalculateOtherStat(Battling::Creature* creature, Library::Statistic stat) {
+    AssertNotNull(creature)
     auto level = creature->GetLevel();
     auto a = (creature->GetBaseStat(stat)) * 2 * level;
     return floor(a / 100) + 10;