'Returns track break points. Identical as CUETools\' cuebreakpoints, with the exception of my standards for HTOA.'

def breakpoints(self):

    content = ''
    for t in range(len(self.tracks)):
        if ((t == 1) and (not self.htoa())):
            content += ''
        elif (t >= 1):
            t_index = self.tracks[t]['index']
            content += t_index[1]
            if (t < (len(self.tracks) - 1)):
                content += '\n'
    return content
