clumpedIsotope isoReader

created clumped isotope class to read raw isodat clumped isodat data
files
Reads raw mass 44, 45, 46, 47, 48, and 49 voltages for 7  cycles
Reads isodat-calculated d13C and d18O values
Merge pull request #1 from maxmansaxman/MaxDev

clumpedIsotope isoReader
Merge pull request #7 from maxmansaxman/dev