Bug fixes

Initial states set to COUNT so initial call to idle() functions executes
properly. get_temp() fixed with a do while so it reads until no
error. No longer prints individual temps. Fixing setup() so that SD card
error doesn't exit function, just sets log flag to false.
Fixing calculate() functions, sending them SIZE

Getting size of array wasn't working, now just sending a size since we
have it (SAMPLE_SIZE).