Removed test commit

test commit, ignore

added error checking for proper symbol

Much needed improvement to the comments of this code based on user feedback

Added accessor functions for threading

Undoing bad commit, reverting to old commit.

more thread security

added some error checking and made some funcs into func consts

updated README

thread safe parseIEX

attempting to multithread all calcs

bool JSONdata::isEmpty() const logic was backwards, fixed.

added SMA and EMA

added SMA and EMA

added SMA and EMA