MACD EMA (by WJ)

NOTE:
// MACD AND EMA CODE TAKEN FROM DEFAULT INDICATOR
// I HAVE ONLY MADE SOME ADJUSTMENTS FOR VISUAL AID
// I MADE THIS FOR MY OWN USE BUT HAVE DECIDED TO PUBLISH AND SHARE IN CASE ANYBODY WANTS TO USE IT

MACD EMA:

• Bar colour and background colour
  
• Buy signal shows when MACD does crossover below 0 line while above EMA (default 200)
  
• Sell signal shows when MACD does crossover above 0 line while below EMA (default 200)
  
• Alert notifications included