fixed that some steps are ignored when len(step_size_sigma)>3 in dtw and added a parameters check
fixed that some steps are ignored when len(step_size_sigma)>3 in dtw and added a parameters check

stefan-balke/librosa,r9y9/librosa,r9y9/librosa,stefan-balke/librosa,stefan-balke/librosa,r9y9/librosa,carlthome/librosa,carlthome/librosa,carlthome/librosa