Changed vaprate & distrate equations for different condenser types
Changed V(i) estimations for Distillation Column for different condenser types
Changed L(0) estimations for Distillation Column for different condenser types
Changed Spec. Functions for condenser and reboiler in Russel-Method, FunctionValue
and MinimizeError.
Added _LSSj(0) estimation for different condenser types in  FunctionValue and MinimizeError
Fixed redundant Array.resize functions
Added Sb estimation from Boston-Sullivan(1974)
Added indetermination handling for _Rlj(0) in FunctionValue and MinimizeError
Improvement in FunctionGradient