AverageVector moved into separate file.
TargetVector class was placed into separate file.
TargetVectorCluster has been added.
TargetVectorCluster has been implemented that was accomplished with
correction of TargetVectorCluster API. Test procedures were neither done
nor implemented.
Nothing much
Key "Sigma" has been added into CFG.
Computation of dispersion has been fixed up and estimation on its base
looks as if it worked.
Nothing much
Help key added, Sigma key fixed
TargetVector & TargetVectoCluster accept a callback operator.
Preliminary initialization is made with TargetVector.
TargetVectorCluster becomes involved only at an estimation.