Fix/address dictionary (#254)

* Added GetHashCode override for Address class so that we can use it in Dictionaries as a key and not encounter issues with value comparison

* Increment package version

Author: BellringerQuinn

Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Address/Address.cs

@@ -40,7 +40,12 @@ public override bool Equals(object obj)
             }
 
             Address address = (Address)obj;
-            return this.Value == address.Value;
+            return Value.Equals(address.Value, StringComparison.OrdinalIgnoreCase);
+        }
+
+        public override int GetHashCode()
+        {
+            return Value.ToLowerInvariant().GetHashCode();
         }
     }