--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/gwas-trait	Wed Feb 07 22:08:47 2018 -0500
@@ -0,0 +1,302 @@
+<Trait>	EarHT	dpoll	EarDia	
+811	59.5	-999	-999
+33-16	64.75	64.5	-999
+38-11	92.25	68.5	37.897
+4226	65.5	59.5	32.21933
+4722	81.13	71.5	32.421
+A188	27.5	62	31.419
+A214N	65	69	32.006
+A239	47.88	61	36.064
+A272	35.63	70	-999
+A441-5	53.5	67.5	35.008
+A554	38.5	66	33.41775
+A556	28	65	31.929
+A6	109.5	80.5	31.5175
+A619	36	61	40.63
+A632	60	61	35.953
+A634	54	59	35.601
+A635	37	64	35.3005
+A641	54.5	66	33.727
+A654	39	64	-999
+A659	46.5	58.5	38.84617
+A661	51.5	59	39.323
+A679	65	66	42.471
+A680	68	65.5	41.152
+A682	47	57.5	35.928
+AB28A	73.5	78	32.504
+B10	74	69	36.561
+B103	37	57.5	-999
+B104	56.25	64.5	44.773
+B105	67.5	68	39.857
+B109	67	64	38.951
+B115	68	65.5	37.05975
+B14A	57	63.5	38.067
+B164	66	58	35.562
+B2	39.5	70	-999
+B37	72.5	65.5	36.4475
+B46	42	69	40.699
+B52	72.5	70	-999
+B57	41	65	37.87475
+B64	74.5	68.5	37.221
+B68	65	71.5	38.889
+B73	83.25	70	41.633
+B73HTRHM	73	67	42.956
+B75	56	62	38.2075
+B76	53	61.5	35.33575
+B77	50	65	39.028
+B79	66.5	66.5	41.61
+B84	72	67.5	37.622
+B97	53	60.5	37.665
+C103	52.5	66.5	34.91575
+C123	32	62.5	-999
+C49	22	55.5	32.93267
+C49A	22.5	57	28.544
+CH701-30	61	60	33.5835
+CH9	41.5	67.5	38.90333
+CI187-2	62.63	70.5	34.085
+CI21E	64	68	40.991
+CI28A	72.5	66.5	37.328
+CI31A	74	73	-999
+CI3A	66.5	70	44.051
+CI44	57	73	40.172
+CI64	64.5	70.5	41.403
+CI66	47	75	32.5045
+CI7	84.67	68.5	37.889
+CI90C	63.5	67.5	33.92475
+CI91B	49	66.5	35.53867
+CM105	31.5	65.5	36.218
+CM174	34.5	64	32.9705
+CM37	24	57.5	25.74375
+CM7	28	61.5	31.667
+CML10	110	77	33.33867
+CML103	88.5	69	42.029
+CML108	55.5	71.5	40.739
+CML11	97.25	80.5	33.48683
+CML14	80	82	30.863
+CML154Q	61	72.5	42.933
+CML157Q	111.5	71.5	40.303
+CML158Q	74	74.5	41.6995
+CML218	62	69	35.57
+CML220	44	63.5	40.216
+CML228	74	72.5	31.339
+CML238	57.5	74	42.477
+CML247	68.5	78	37.79683
+CML254	70	-999	-999
+CML258	133	81	37.02083
+CML261	104.17	77	37.46267
+CML264	60.5	82	-999
+CML277	82.5	75	39.036
+CML281	73.5	81	-999
+CML287	95	75	37.24
+CML311	89.25	-999	-999
+CML314	81.5	69	38.929
+CML321	82	79.5	39.339
+CML322	66.75	68	40.0235
+CML323	63	70.5	39.081
+CML328	74.5	65	34.876
+CML331	59	77	-999
+CML332	66.5	70.5	37.182
+CML333	97.5	69	36.581
+CML341	94.63	73	42.116
+CML349	55.25	68.5	-999
+CML38	82.5	75.5	32.36083
+CML45	45	82.5	-999
+CML5	94.25	78	-999
+CML52	104.33	81	32.69017
+CML69	76	73.5	37.723
+CML77	63	68.5	43.716
+CML91	64.5	69.5	39.435
+CML92	68	71.5	40.503
+CMV3	32.5	59.5	-999
+CO106	34.5	55	-999
+CO109	26.5	61.5	-999
+CO125	32.13	60	31.788
+CO255	38	61.5	32.06183
+D940Y	74	71.5	34.624
+DE1	64.5	69	44.774
+DE2	57.5	65.5	46.353
+DE3	70	65	44.496
+DE811	80	72.5	35.45125
+E2558W	59.5	67.5	37.38
+EP1	37.08	62	-999
+F2	34	63.5	27.147
+F2834T	40	62	33.28333
+F44	94	75	36.49875
+F6	101.5	77	-999
+F7	27.5	58	27.689
+GA209	76.33	74.5	34.958
+GT112	136	78.5	-999
+H100	56	64.5	41.0735
+H105W	44.5	61.5	40.51
+H49	58	61.5	39.416
+H84	48	64	41.838
+H91	60	64.5	39.201
+H95	55	65.5	38.834
+H99	31	68.5	34.677
+HI27	93.5	71	35.425
+HP301	62	61.5	27.158
+HY	56.5	64.5	34.823
+I137TN	56.5	69	-999
+I205	55	66	-999
+I29	54	63	31.407
+IA2132	43	67	35.154
+IA5125	29.5	64	29.7525
+IDS28	71.5	63	31.358
+IDS69	44	65	24.88225
+IDS91	41	62.5	27.553
+IL101	31.5	65	32.357
+IL14H	46	61	34.999
+IL677A	45.5	64.5	36.276
+K148	42	65.5	33.984
+K4	70	69	36.81433
+K55	43	67.5	39.8425
+K64	69.25	67.5	42.828
+KI11	63	74.5	40.465
+KI14	95.5	78	29.192
+KI2021	107	75	40.14633
+KI21	87.5	70.5	40.063
+KI3	57.75	72	34.7015
+KI43	59	76	30.326
+KI44	55	71	33.19267
+KI2007	61	67.5	37.622
+KY21	76.5	70.5	38.93467
+KY226	64	72.5	37.37125
+KY228	58.38	75.5	-999
+L317	98	65.5	34.72825
+L578	101.5	72.5	39.627
+M14	35	59.5	35.6355
+M162W	63.5	74.5	40.095
+M37W	62.88	70	38.801
+MEF15655	-999	65	-999
+MEF156-55-2	62.5	-999	-999
+MO17	46	59.5	33.672
+MO18W	65.5	70.5	39.596
+MO1W	62	65	42.972
+MO24W	101.5	67.5	45.51175
+MO44	46	57.5	38.022
+MO45	74.33	65.5	35.389
+MO46	54.5	65	39.526
+MO47	36.5	59	35.91767
+MOG	87.88	65	42.585
+MP339	71.5	71.5	38.333
+MS1334	54.5	66	30.83556
+MS153	55	59	42.406
+MS71	47.5	57	35.358
+MT42	44.5	59	29.971
+N192	42.5	57.5	40.355
+N28HT	57	66.5	41.431
+N6	45	61	39.82533
+N7A	54.5	63.5	41.767
+NC222	84.5	70.5	37.047
+NC230	57	70	43.833
+NC232	55	68.5	44.877
+NC236	58	72.5	36.2865
+NC238	43	78	38.29429
+NC250	37	64	36.44
+NC258	60.5	70	36.866
+NC260	52.5	63	35.866
+NC262	25	59	37.31
+NC264	48	65	38.303
+NC268	74.38	69.5	32.867
+NC290A	34	61.5	40.5525
+NC292	55.5	65.5	42.8125
+NC294	74	66.5	38.888
+NC296	68.5	67	38.83125
+NC296A	59.5	68.5	38.211
+NC298	62	72.5	29.191
+NC300	68	70	42.694
+NC302	53	67.5	36.349
+NC304	8	65	-999
+NC306	62.88	68	34.54667
+NC308	59.63	66	39.408
+NC310	60.5	65	41.4595
+NC312	67.5	69.5	38.0875
+NC314	58	66	36.278
+NC316	85.38	69	42.321
+NC318	72	72	31.811
+NC320	83	71.5	41.711
+NC322	77.5	71.5	33.15975
+NC324	56.5	68	33.9025
+NC326	88	67	41.2355
+NC328	60	66	37.45
+NC33	101	72	36.104
+NC330	70	70	42.79525
+NC332	76.5	71	34.923
+NC334	80.5	70.5	33.938
+NC336	50.5	75.5	34.172
+NC338	71.5	70	33.97
+NC340	60.5	65.5	38.974
+NC342	68	64.5	35.18633
+NC344	63.5	70.5	38.60725
+NC346	62	68	36.276
+NC348	73	67	31.202
+NC350	49.5	69.5	32.829
+NC352	53.5	72	35.537
+NC354	67	71.5	32.8105
+NC356	56	66.5	34.34075
+NC358	41	63	35.785
+NC360	56	71.5	37.205
+NC362	51.5	63	38.849
+NC364	48.5	64.5	38.6825
+NC366	58	72.5	35.826
+NC368	64.5	69	42.06567
+NC370	70.63	72.5	42.082
+NC372	69	68	42.281
+ND246	32.5	54.5	28.935
+OH40B	51.5	67.5	34.962
+OH43	45	61	37.77
+OH43E	31.5	61	37.124
+OH603	48.5	65.5	-999
+OH7B	87	72.5	37.535
+OS420	66	60.5	39.417
+P39	43.5	64	35.394
+PA762	50.5	67	37.828
+PA875	67	65.5	40.87967
+PA880	69.5	64.5	-999
+PA91	63	68.5	36.12175
+Q6199	-999	85	-999
+R109B	45	65	-999
+R168	57.92	64.5	28.88775
+R177	31	61	38.019
+R229	76	67	43.504
+R4	48	67	37.284
+SA24	60.5	65	29.11575
+SC213R	67	76	34.337
+SC357	55.5	74.5	34.858
+SC55	128	75	41.88
+SD40	46.5	60	38.5555
+SD44	39	61.5	36.73775
+SG1533	82.5	62.5	33.8
+SG18	88.5	63.5	29.78
+T232	73.5	70	35.651
+T234	63.08	68.5	39.432
+T8	87.75	70.5	35.29
+TX303	102	71	41.5
+TX601	87.63	78.5	42.91188
+TZI10	81	78	33.84983
+TZI11	75.5	71.5	32.988
+TZI16	76.75	74	41.737
+TZI18	79.38	70	39.82575
+TZI25	82	72.5	38.817
+TZI8	89.5	72.5	41.56075
+TZI9	79	72	40.403
+U267Y	53.5	75.5	35.491
+VA102	47.5	65	-999
+VA14	56	66.5	36.955
+VA17	49	63.5	34.376
+VA22	62.5	66	36.168
+VA26	41	61	37.617
+VA35	52	63	40.0005
+VA59	36.5	60.5	37.58
+VA85	66	62.5	37.304
+VA99	56	67.5	40.421
+VAW6	38	62.5	35.685
+W117HT	31	66	23.72333
+W153R	27.5	66	-999
+W182B	46	62.5	31.492
+W22	44	63.5	36.041
+W401	35.5	58.5	35.40125
+W64A	59.5	62.5	35.982
+WD	48.5	62.5	30.479
+WF9	52	64.5	36.61475
+YU796NS	56.5	64	40.755