--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/2_hamming.bedgraph	Mon May 20 08:42:54 2019 -0400
@@ -0,0 +1,100 @@
+chr10	3000180	3000182	100	5	0	5.00	0
+chr10	3000185	3000187	100	5	0	5.00	0
+chr10	3000270	3000272	73	11	4	15.00	6.28
+chr10	3000294	3000296	100	14	0	14.00	12.52
+chr10	3000353	3000355	81	9	2	11.00	15.60
+chr10	3000488	3000490	66	4	2	6.00	10.44
+chr10	3000657	3000659	66	4	2	6.00	5.04
+chr10	3000709	3000711	80	4	1	5.00	4.64
+chr10	3000718	3000720	100	5	0	5.00	4.72
+chr10	3000923	3000925	80	4	1	5.00	5.64
+chr10	3001027	3001029	88	8	1	9.00	5.04
+chr10	3001029	3001031	100	9	0	9.00	9.04
+chr10	3001055	3001057	100	8	0	8.00	10.28
+chr10	3001188	3001190	75	3	1	4.00	8.96
+chr10	3001586	3001588	83	5	1	6.00	4.04
+chr10	3001747	3001749	100	7	0	7.00	5.80
+chr10	3001898	3001900	37	3	5	8.00	7.64
+chr10	3001908	3001910	55	5	4	9.00	3.96
+chr10	3001923	3001925	100	5	0	5.00	5.64
+chr10	3001928	3001930	100	5	0	5.00	5.80
+chr10	3001989	3001991	69	9	4	13.00	6.12
+chr10	3001996	3001998	84	11	2	13.00	10.28
+chr10	3002030	3002032	92	12	1	13.00	12.68
+chr10	3002077	3002079	77	7	2	9.00	13.44
+chr10	3002089	3002091	100	9	0	9.00	8.68
+chr10	3002093	3002095	44	4	5	9.00	9.88
+chr10	3002116	3002118	100	7	0	7.00	5.28
+chr10	3002147	3002149	80	8	2	10.00	7.96
+chr10	3002159	3002161	50	4	4	8.00	8.88
+chr10	3002261	3002263	100	16	0	16.00	5.92
+chr10	3002320	3002322	92	12	1	13.00	17.28
+chr10	3002514	3002516	100	4	0	4.00	13.60
+chr10	3002526	3002528	83	5	1	6.00	5.36
+chr10	3002539	3002541	100	8	0	8.00	5.96
+chr10	3002560	3002562	88	8	1	9.00	9.04
+chr10	3002594	3002596	100	8	0	8.00	9.28
+chr10	3002607	3002609	88	8	1	9.00	9.28
+chr10	3002628	3002630	100	12	0	12.00	9.60
+chr10	3002641	3002643	100	9	0	9.00	13.36
+chr10	3002904	3002906	100	9	0	9.00	10.68
+chr10	3002932	3002934	83	5	1	6.00	10.12
+chr10	3003427	3003429	61	8	5	13.00	6.36
+chr10	3003435	3003437	84	11	2	13.00	9.28
+chr10	3003465	3003467	90	10	1	11.00	12.44
+chr10	3003494	3003496	100	9	0	9.00	11.60
+chr10	3003584	3003586	60	6	4	10.00	10.28
+chr10	3003924	3003926	100	4	0	4.00	7.04
+chr10	3003976	3003978	100	12	0	12.00	5.44
+chr10	3004035	3004037	71	10	4	14.00	13.12
+chr10	3004640	3004642	90	9	1	10.00	11.68
+chr10	3005170	3005172	28	2	5	7.00	9.96
+chr10	3005441	3005443	21	3	11	14.00	2.96
+chr10	3005994	3005996	50	7	7	14.00	3.72
+chr10	3008524	3008526	75	9	3	12.00	7.96
+chr10	3008594	3008596	90	9	1	10.00	10.28
+chr10	3008737	3008739	50	5	5	10.00	10.12
+chr10	3008827	3008829	80	12	3	15.00	6.68
+chr10	3008937	3008939	84	11	2	13.00	13.28
+chr10	3008985	3008987	66	6	3	9.00	12.44
+chr10	3009020	3009022	66	10	5	15.00	7.68
+chr10	3009103	3009105	50	8	8	16.00	11.12
+chr10	3009118	3009120	83	15	3	18.00	10.00
+chr10	3009207	3009209	66	6	3	9.00	16.12
+chr10	3009577	3009579	80	4	1	5.00	7.52
+chr10	3009627	3009629	100	4	0	4.00	4.80
+chr10	3010000	3010002	100	8	0	8.00	4.96
+chr10	3010399	3010401	58	10	7	17.00	9.12
+chr10	3010447	3010449	94	16	1	17.00	11.92
+chr10	3011056	3011058	85	6	1	7.00	17.28
+chr10	3011170	3011172	68	11	5	16.00	8.16
+chr10	3011280	3011282	66	10	5	15.00	12.28
+chr10	3011403	3011405	64	22	12	34.00	12.64
+chr10	3011468	3011470	92	12	1	13.00	23.76
+chr10	3011556	3011558	100	13	0	13.00	14.80
+chr10	3011580	3011582	68	11	5	16.00	14.84
+chr10	3011870	3011872	90	18	2	20.00	13.48
+chr10	3011999	3012001	81	18	4	22.00	20.32
+chr10	3012040	3012042	93	14	1	15.00	20.56
+chr10	3012053	3012055	66	10	5	15.00	16.24
+chr10	3012065	3012067	80	12	3	15.00	12.08
+chr10	3012214	3012216	61	11	7	18.00	13.68
+chr10	3012269	3012271	50	7	7	14.00	12.52
+chr10	3012319	3012321	33	5	10	15.00	8.28
+chr10	3012389	3012391	77	14	4	18.00	6.68
+chr10	3012415	3012417	77	14	4	18.00	15.52
+chr10	3012560	3012562	94	17	1	18.00	16.48
+chr10	3012609	3012611	85	12	2	14.00	19.08
+chr10	3012619	3012621	85	12	2	14.00	14.32
+chr10	3012741	3012743	56	13	10	23.00	14.00
+chr10	3012786	3012788	78	15	4	19.00	15.16
+chr10	3012790	3012792	63	12	7	19.00	17.00
+chr10	3012792	3012794	57	11	8	19.00	14.08
+chr10	3012794	3012796	94	17	1	18.00	13.32
+chr10	3012796	3012798	55	10	8	18.00	18.68
+chr10	3012798	3012800	66	12	6	18.00	12.32
+chr10	3012818	3012820	35	7	13	20.00	13.36
+chr10	3012824	3012826	16	4	20	24.00	8.28
+chr10	3012858	3012860	23	6	20	26.00	5.04
+chr10	3012940	3012942	20	2	8	10.00	6.48
+chr10	3012977	3012979	7	1	13	14.00	2.56