Add getops options to decide whether to write the lcs+fit, and whether to iterate

Read 7 lines from uvw1.qdp
Read 10 lines from u.qdp
Read 8 lines from b.qdp
Read 13 lines from white.qdp
Read 2 lines from v.qdp
0 breaks: chisq= 44.173/34, P = 0
1 breaks: chisq= 31.4756/32, P = 0.00441654
2 breaks: chisq= 26.7583/30, P = 0.0875527
3 breaks: chisq= 101.681/28, P = 1
4 breaks: chisq= 126.088/26, P = 1
The best fit has 1 breaks
