add checks if sdk is initialized

@@ -101,7 +101,7 @@
 - (void)getMultilingualMerchantsAsync:(NSArray*)categories andDefaultShown:(NSNumber*)defaultShown andCenter:(NSNumber*)center andTags:(NSArray*)tags andUuid:(NSString*)uuid andDistance:(NSNumber*)distance parent_uuids:(NSArray*)parent_uuids :(void (^)(NSDictionary *response))success failureBlock:(void (^)(NSError *error))failure;
 // - (void)didReceiveNotification:(NSDictionary *)userInfo whileAppWasInState:(WLApplicationState)state;
 - (void)didReceiveNotification:(NSDictionary *)payload;
-- (BOOL)checkforLoyaltySDKNotification:(NSDictionary *)payload;
+- (NSNumber*)checkforLoyaltySDKNotification:(NSDictionary *)payload;
 //  TEST CODE FOR PUSH
 // - (BOOL)checkforLoyaltySDKNotification:(NSDictionary *)payload whileAppWasInState:(UIApplicationState)appState;
 //  TEST CODE FOR PUSH

@@ -1692,13 +1692,19 @@ NSString *VERIFY_URL = @"/partners/cosmote/verify";
 // - (void)didReceiveNotification:(NSDictionary *)userInfo whileAppWasInState:(WLApplicationState)state {
 - (void)didReceiveNotification:(NSDictionary *)payload {
     
-    [[Warply sharedService].pushManager didReceiveRemoteNotification:payload whileAppWasInState:WLApplicationStateClosed];
+    if ([Warply sharedServiceExists] == YES) {
+        [[Warply sharedService].pushManager didReceiveRemoteNotification:payload whileAppWasInState:WLApplicationStateClosed];
+    }
 }
 
 // - (BOOL)checkForLoyaltySDKNotification:(NSDictionary *)userInfo whileAppWasInState:(WLApplicationState)state {
-- (BOOL)checkforLoyaltySDKNotification:(NSDictionary *)payload {
+- (NSNumber*)checkforLoyaltySDKNotification:(NSDictionary *)payload {
     
-    return [[Warply sharedService].pushManager checkforLoyaltySDKNotificationPM:payload];
+    if ([Warply sharedServiceExists] == YES) {
+        return [[Warply sharedService].pushManager checkforLoyaltySDKNotificationPM:payload] ? @1 : @0;
+    } else {
+        return nil;
+    }
 }
 
 //  TEST CODE FOR PUSH

@@ -6183,10 +6183,10 @@ public class swiftApi {
     }
 
 
-    public func checkForLoyaltySDKNotification(_ payload: [String : Any]) -> Bool {
+    public func checkForLoyaltySDKNotification(_ payload: [String : Any]) -> Bool? {
 
         let instanceOfMyApi = MyApi()
-        return instanceOfMyApi.checkforLoyaltySDKNotification(payload)
+        return instanceOfMyApi.checkforLoyaltySDKNotification(payload) as? Bool
     }