Many fixes

PkmnLibSharp/Library/Species.cs

@@ -1,3 +1,4 @@
+using System;
 using Pkmnlib.Generated;
 using PkmnLibSharp.Utilities;
 
@@ -6,15 +7,22 @@ namespace PkmnLibSharp.Library
     public class Species : PointerWrapper
     {
         // ReSharper disable once SuggestBaseTypeForParameter
-        public Species(ushort id, string name, Forme defaultForme, float genderRatio, string growthRate,
-            byte captureRate, byte baseHappiness) : base(PokemonSpecies.Construct(id, name.ToPtr(), defaultForme.Ptr, genderRatio,
-            growthRate.ToPtr(), captureRate, baseHappiness))
+        private Species(IntPtr ptr) : base(ptr)
         {
         }
 
+        public static Species Create(ushort id, string name, Forme defaultForme, float genderRatio, string growthRate,
+            byte captureRate, byte baseHappiness)
+        {
+            var ptr = IntPtr.Zero;
+            PokemonSpecies.Construct(ref ptr, id, name.ToPtr(), defaultForme.Ptr, genderRatio,
+                growthRate.ToPtr(), captureRate, baseHappiness).Assert();
+            return new Species(ptr);
+        }
+
         internal override void DeletePtr()
         {
-            Pokemon.Destruct(Ptr);
+            PokemonSpecies.Destruct(Ptr);
         }
     }
 }