creating a bootstrap object from a file
 first constractor
5	size =2   0 1  | 2 3 4 5 
1	size =3   0 1 2  | 3 4 5 
1	size =2   0 1 2 3  | 4 5 
2	size =2   0 1 2 5  | 3 4 
1	size =2   0 1 3 5  | 2 4 
1	size =2   0 1 4 5  | 2 3 
4	size =3   0 1 5  | 2 3 4 


 secound constractor
5	size =2   0 1  | 2 3 4 5 
1	size =3   0 1 2  | 3 4 5 
1	size =2   0 1 2 3  | 4 5 
2	size =2   0 1 2 5  | 3 4 
1	size =2   0 1 3 5  | 2 4 
1	size =2   0 1 4 5  | 2 3 
4	size =3   0 1 5  | 2 3 4 


getting weights from a tree
 0 1 0 0 0.8 0 0.4 0 0 0
print the support of a tree
((Baboon:1e-06,Human:1e-06):1e-06[1],(Rat:1e-06,(Langur:1e-06,Cow:1e-06):1e-06[0.4]):1e-06[0.8],Horse:1e-06);

remove the first tree from the list, and use is as bases for additional computation
use the secound tree twice
{Baboon = 0}
{Cow = 4}
{Horse = 5}
{Human = 1}
{Langur = 2}
{Rat = 3}
5	size =2   0 1  | 2 3 4 5 
1	size =2   0 1 2 3  | 4 5 
1	size =2   0 1 2 5  | 3 4 
1	size =3   0 1 3  | 2 4 5 
1	size =2   0 1 3 5  | 2 4 
2	size =2   0 1 4 5  | 2 3 
4	size =3   0 1 5  | 2 3 4 

print the support of the removed tree
((Baboon:1e-06,Human:1e-06):1e-06[1],(Rat:1e-06,(Langur:1e-06,Cow:1e-06):1e-06[0.2]):1e-06[0.8],Horse:1e-06);



compatability
(Cow:0.3,Langur:0.3,Rat:0.3,(Horse:0.3,(Baboon:0.3,Human:0.3):1e-06[1]):1e-06[0.8]);
compatability 0.0
(Langur:0.3,Rat:0.3,(Cow:0.3,(Horse:0.3,(Baboon:0.3,Human:0.3):1e-06[1]):1e-06[0.8]):1e-06[0.4]);
compatability 0.8
(Cow:0.3,Langur:0.3,Rat:0.3,(Horse:0.3,(Baboon:0.3,Human:0.3):1e-06[1]):1e-06[0.8]);