Create ChronRecord instance from Bacon file

def read_chron(fl):
    """Create ChronRecord instance from Bacon file
    """
    indata = pd.read_csv(fl, sep=r'\s*\,\s*', index_col=None, engine='python')
    outcore = ChronRecord(age=indata['age'],
                          error=indata['error'],
                          depth=indata['depth'],
                          labid=indata['labID'])
    return outcore