Merge pull request #6 from vapor-community/decodeFix

Decode for optional property.

Sources/StripeKit/Models/Connect/External Accounts/ExternalAccounts.swift

@@ -28,7 +28,7 @@ public struct StripeExternalAccountsList: StripeModel {
     public init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         object = try container.decode(String.self, forKey: .object)
-        hasMore = try container.decode(Bool.self, forKey: .hasMore)
+        hasMore = try container.decodeIfPresent(Bool.self, forKey: .hasMore)
         url = try container.decodeIfPresent(String.self, forKey: .url)
 
         cardAccounts = try container.decodeIfPresent([StripeCard].self, forKey: .data)?.filter{ $0.object == "card" }