Reorder methods.

Mobile Buy SDK/Mobile Buy SDK/Data/BUYClient.m

@@ -80,6 +80,8 @@ NSString *const BUYClientCustomerAccessToken = @"X-Shopify-Customer-Access-Token
 
 @implementation BUYClient
 
+#pragma mark - Init
+
 - (instancetype)init {
 	BUYAssert(NO, @"BUYClient must be initialized using the designated initializer.");
 	return nil;
@@ -248,18 +250,6 @@ NSString *const BUYClientCustomerAccessToken = @"X-Shopify-Customer-Access-Token
 	}];
 }
 
-#pragma mark - Helpers
-
-- (NSError *)extractErrorFromResponse:(NSURLResponse *)response json:(NSDictionary *)json
-{
-	NSError *error = nil;
-	NSInteger statusCode = [((NSHTTPURLResponse *) response) statusCode];
-	if (statusCode < kMinSuccessfulStatusCode || statusCode > kMaxSuccessfulStatusCode) {
-		error = [NSError errorWithDomain:NSURLErrorDomain code:statusCode userInfo:json];
-	}
-	return error;
-}
-
 #pragma mark - URL Components
 
 - (NSURLComponents *)URLComponentsForChannelsAppendingPath:(NSString *)appendingPath queryItems:(NSDictionary*)queryItems
@@ -555,6 +545,16 @@ NSString *const BUYClientCustomerAccessToken = @"X-Shopify-Customer-Access-Token
 	return [[NSError alloc] initWithDomain:kShopifyError code:statusCode userInfo:errorDictionary];
 }
 
+- (NSError *)extractErrorFromResponse:(NSURLResponse *)response json:(NSDictionary *)json
+{
+	NSError *error = nil;
+	NSInteger statusCode = [((NSHTTPURLResponse *) response) statusCode];
+	if (statusCode < kMinSuccessfulStatusCode || statusCode > kMaxSuccessfulStatusCode) {
+		error = [NSError errorWithDomain:NSURLErrorDomain code:statusCode userInfo:json];
+	}
+	return error;
+}
+
 #pragma mark - Convenience Requests
 
 - (NSURLSessionDataTask *)getRequestForURL:(NSURL *)url completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler