iOS 7 compatibility issues (UITextView)

iOS 7 UITextView has many critical bugs. Introduce workaround or alternative libraries.

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9. - (void)scrollRangeToVisible:(NSRange)range
   {
   [super scrollRangeToVisible:range];
   if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_6_1) {
   if (self.layoutManager.extraLineFragmentTextContainer != nil
   && self.selectedRange.location == range.location) {
   CGRect caretRect = [self caretRectForPosition:self.selectedTextRange.end];
   [self scrollRectToVisible:caretRect animated:NO];
   }
   }
   }
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    - (void)textViewDidChange:(UITextView *)textView
    {
    NSString *text = textView.text;
    NSRange selectedRange = textView.selectedRange;
    textView.scrollEnabled = NO;
    textView.text = nil;
    textView.text = text;
    selectedRange.length = 0;
    textView.selectedRange = selectedRange;
    textView.scrollEnabled = YES;
    }
    

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