PINESCRIPT TEST FOLLOWING UDEMY TUTORIAL
//***********NOTES TO SELF
//why doesn't stoch k crossunder work for values over 100?
//why don't sell alerts show when atr is enabled?
//how to keep oscillator in view and still draw arrows on chart
//TO DO:
//add string based strat selector function- check 3:12 project 3 vid //esp. drop down menu part
//seperate oscillator into functioning part on github -- done