MatrixVector instead of InternalProduct
MatrixVector instead of InternalProduct (again)
indentation
MatrixVector options instead of InternalProduct options
new dmrg parameter MatrixVectorStored
parameter MatrixVectorStored defaults to zero
clean up of VerySparseMatrix
restricted immm
indentation
restricted immm (again)
immm: fixed compilation warnings
immm: param MinOxygenElectrons instead of restricted