Aroon with Correct Histogram

This is a correct Aroon Indicator with histogram and center line.

ملاحظات الأخبار:

• Signal line, whic if above 50 it is bullish, if below, it is bearish trend. It is switched off by default, because the same information can be read from the histogram, but you can turn it on in settings if you like.
  
• Better naming in settings