added tsv files

scripts/data/Adams.txt

+time	Glucose	SEM glucose	Insulin	SEM insulin
+0	89.05263158	-0.378947368	31.74603175	1.058201058
+10	106.8631579	3.410526316	116.4021164	22.22222222
+20	128.4631579	5.684210526	205.2910053	33.86243386
+30	143.6210526	5.684210526	266.6666667	40.21164021
+60	139.8315789	4.168421053	200	28.57142857
+90	134.9052632	7.957894737	207.4074074	33.86243386
+120	130.7368421	6.442105263	180.952381	27.51322751
+180	95.87368421	6.442105263	65.60846561	12.6984127
+240	79.95789474	4.926315789	37.03703704	16.93121693

scripts/data/Coppack.txt

+Time	0	30	60	90	120	180	240	300	360
+Muscle	0.1716975	1.32405	2.10925	1.76605	1.06665	0.9321	0.76635	0.41665	0.09165
+SEM muscle	0.065	0.3328	1.0673	0.72735	0.3328	0.325	0.25545	0.1313	0.065
+Adipose	0.07332	0.56588	0.31349	-0.02867	0.11797	0.01833	0.06815	0.17343	0.02303
+SEM adipose	0.1269	0.45073	0.44462	0.20962	0.07614	0.0564	0.10152	0.047	0.0376

scripts/data/iozzo.txt

+Row	Mean_1	Mean_2	SEM_1	SEM_2
+Uptake	1.5493416	2.2159188	18.60465116	19.51219512
+Clearance	1.15	1.06	17.39130435	16.03773585