statusBar.hidden changed to statusBar.visible in iOS

docs/docs/layout-types.md

     stack: {
       options: {
         topBar: {
-          hidden: true
+          visible: false
         }
       },
       children: [

lib/ios/RNNRootViewController.m

 }
 
 - (BOOL)prefersStatusBarHidden {
-	if ([self.options.statusBar.hidden boolValue]) {
-		return YES;
+	if (self.options.statusBar.visible) {
+		return ![self.options.statusBar.visible boolValue];
 	} else if ([self.options.statusBar.hideWithTopBar boolValue]) {
 		return self.navigationController.isNavigationBarHidden;
 	}

lib/ios/RNNStatusBarOptions.h

 @property (nonatomic, strong) NSNumber* blur;
 @property (nonatomic, strong) NSNumber* hideWithTopBar;
 @property (nonatomic, strong) NSString* style;
-@property (nonatomic, strong) NSNumber* hidden;
+@property (nonatomic, strong) NSNumber* visible;
 @property (nonatomic, strong) NSNumber* animate;
 
 @end

lib/ios/RNNStatusBarOptions.m

 		}
 	}
 	
-	if (self.style || self.hidden) {
+	if (self.style || self.visible) {
 		[UIView animateWithDuration:[self statusBarAnimationDuration] animations:^{
 			[viewController setNeedsStatusBarAppearanceUpdate];
 		}];

lib/ios/ReactNativeNavigationTests/RNNRootViewControllerTest.m

 	XCTAssertFalse([self.uut prefersStatusBarHidden]);
 }
 
-- (void)testStatusBarHidden_true {
-	self.options.statusBar.hidden = @(1);
+- (void)testStatusBarVisible_false {
+	self.options.statusBar.visible = @(0);
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
 
 	XCTAssertTrue([self.uut prefersStatusBarHidden]);
 }
 
+- (void)testStatusBarVisible_true {
+	self.options.statusBar.visible = @(1);
+	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
+	[self.uut viewWillAppear:false];
+	
+	XCTAssertFalse([self.uut prefersStatusBarHidden]);
+}
+
 - (void)testStatusBarHideWithTopBar_false {
 	self.options.statusBar.hideWithTopBar = @(0);
 	self.options.topBar.visible = @(0);
 	XCTAssertTrue([self.uut prefersStatusBarHidden]);
 }
 
-
-- (void)testStatusBarHidden_false {
-	self.options.statusBar.hidden = @(0);
-	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
-	[self.uut viewWillAppear:false];
-
-	XCTAssertFalse([self.uut prefersStatusBarHidden]);
-}
-
 -(void)testTitle_string{
 	NSString* title =@"some title";
 	self.options.topBar.title.text = title;