Merge generic requestForURL methods.

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

@@ -591,19 +591,11 @@ NSString *const BUYClientCustomerAccessToken = @"X-Shopify-Customer-Access-Token
 
 - (NSURLSessionDataTask *)requestForURL:(NSURL *)url method:(NSString *)method object:(id <BUYSerializable>)object completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler
 {
-	NSData *data = nil;
+	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
 	if (object) {
-		data = [NSJSONSerialization dataWithJSONObject:[object jsonDictionaryForCheckout] options:0 error:nil];
+		request.HTTPBody = [NSJSONSerialization dataWithJSONObject:[object jsonDictionaryForCheckout] options:0 error:nil];
 	}
 	
-	return [self requestForURL:url method:method body:data completionHandler:completionHandler];
-}
-
-- (NSURLSessionDataTask *)requestForURL:(NSURL *)url method:(NSString *)method body:(NSData *)body completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler
-{
-	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
-	request.HTTPBody = body;
-	
 	[request addValue:[self authorizationHeader] forHTTPHeaderField:@"Authorization"];
 	[request addValue:kJSONType forHTTPHeaderField:@"Content-Type"];
 	[request addValue:kJSONType forHTTPHeaderField:@"Accept"];

Mobile Buy SDK/Mobile Buy SDK/Data/BUYClient_Internal.h

@@ -35,7 +35,6 @@ extern NSString *const kShopifyError;
 - (NSURLSessionDataTask *)putRequestForURL:(NSURL *)url object:(id<BUYSerializable>)object completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler;
 - (NSURLSessionDataTask *)getRequestForURL:(NSURL *)url completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler;
 
-- (NSURLSessionDataTask *)requestForURL:(NSURL *)url method:(NSString *)method body:(NSData *)body additionalHeaders:(NSDictionary *)headers completionHandler:(void (^)(NSDictionary *json, NSURLResponse *response, NSError *error))completionHandler;
 - (NSURLComponents *)URLComponentsForAPIPath:(NSString *)apiPath appendingPath:(NSString *)appendingPath queryItems:(NSDictionary*)queryItems;
 
 - (NSError *)errorFromJSON:(NSDictionary *)json response:(NSURLResponse *)response;