message: Core: fixed minor bug with output file names.
  The iteration variable was not correctly initialized in Method, leading to wrong file names and comments in output files.
diff: @@ -14,7 +14,7 @@ using namespace Utility;
  namespace Engine
  {
  Method::Method(std::shared_ptr<Data::Parameters_Method> parameters, int idx_img, int idx_chain) :
  - parameters(parameters), idx_image(idx_img), idx_chain(idx_chain)
  + parameters(parameters), idx_image(idx_img), idx_chain(idx_chain), iteration(0), step(0)
  {
  // Sender name for log messages
  this->SenderName = Log_Sender::All;
  @@ -61,8 +61,6 @@ namespace Engine
  this->Save_Current(this->starttime, this->iteration, true, false);
  //---- Iteration loop
  - this->iteration = 0;
  - this->step = 0;
  for ( this->iteration = 0;
  this->ContinueIterating() &&
  !this->Walltime_Expired(t_current - t_start);
  