Tiny cleanup in PhyloCSFModel.ml. To Do: There is no longer any warning when it can't find    a good branch length parameter. It would be good to add something    to diagnostics in llr_MaxLik to indicate this.
Tiny cleanup in PhyloCSFModel.ml.
To Do: There is no longer any warning when it can't find
   a good branch length parameter. It would be good to add something
   to diagnostics in llr_MaxLik to indicate this.

mlin/PhyloCSF