Made the category compatible with AFNetworking 4

AFNetworking+RetryPolicy.podspec

@@ -1,20 +1,20 @@
 Pod::Spec.new do |spec|
   spec.name             = 'AFNetworking+RetryPolicy'
-  spec.version          = '1.0.4'
+  spec.version          = '2.0.0'
   spec.summary          = 'AFNetworking+RetryPolicy is an objective-c category that adds the ability to set the retry logic for requests made with AFNetworking.'
   spec.description      = 'If a request timed out, you usually have to call that request again by yourself. AFNetworking+RetryPolicy is an objective-c category that adds the ability to set the retry logic for requests made with AFNetworking.'
   spec.homepage         = 'https://github.com/kubatruhlar/AFNetworking-RetryPolicy'
   spec.screenshots      = 'https://raw.githubusercontent.com/kubatruhlar/AFNetworking-RetryPolicy/master/Images/logo.png'
   spec.license          = {:type => 'MIT', :file => 'LICENSE.md'}
   spec.author           = 'Jakub Truhlar'
   spec.social_media_url = 'http://kubatruhlar.cz'
-  spec.ios.deployment_target = '7.0'
-  spec.osx.deployment_target = '10.9'
+  spec.ios.deployment_target = '9.0'
+  spec.osx.deployment_target = '10.10'
   spec.source           = {:git => 'https://github.com/kubatruhlar/AFNetworking-RetryPolicy.git', :tag => "#{spec.version}"}
   spec.source_files     = 'AFNetworking+RetryPolicy/*.{h,m}'
   spec.framework        = 'Foundation'
   spec.requires_arc     = true
   # Dependencies (Operators =, >=, >, <=, < and ~>)
-  spec.dependency       'AFNetworking', '~> 3.0'
+  spec.dependency       'AFNetworking', '~> 4.0'
   spec.dependency       'ObjcAssociatedObjectHelpers', '2.0.1'
 end

AFNetworking+RetryPolicy/AFHTTPSessionManager+RetryPolicy.h

@@ -35,36 +35,36 @@ typedef int (^RetryDelayCalcBlock)(int, int, int); // int totalRetriesAllowed, i
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)GET:(NSString *)URLString parameters:(NSDictionary *)parameters progress:(void (^)(NSProgress *))downloadProgress success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)GET:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers progress:(nullable void (^)(NSProgress *))downloadProgress success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)HEAD:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(NSURLSessionDataTask *task))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)HEAD:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers success:(nullable void (^)(NSURLSessionDataTask *task))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters progress:(void (^)(NSProgress *))downloadProgress success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers progress:(nullable void (^)(NSProgress *))downloadProgress success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block progress:(void (^)(NSProgress *))downloadProgress success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block progress:(nullable void (^)(NSProgress *))downloadProgress success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)PUT:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)PUT:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)PATCH:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)PATCH:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 /**
  *   Adds the ability to set the retry interval, retry count and progressive (uses power rule e.g. interval = 3 -> 3, 9, 27 etc.). `failure` is called no earlier than `retryCount` = 0, only `fatalStatusCodes` finishes the request earlier.
  */
-- (NSURLSessionDataTask *)DELETE:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(NSURLSessionDataTask *task, id responseObject))success failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
+- (nullable NSURLSessionDataTask *)DELETE:(NSString *)URLString parameters:(nullable NSDictionary *)parameters headers:(nullable NSDictionary <NSString *, NSString *> *)headers success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure retryCount:(NSInteger)retryCount retryInterval:(NSTimeInterval)retryInterval progressive:(bool)progressive fatalStatusCodes:(NSArray<NSNumber *> *)fatalStatusCodes;
 
 @end