…Z and SemBicScore--these were using testwise deletion when they didn't need to. To pull over the SEM BIC code from another branch, I also needed to pull over a modest revision to the FGES code, where I shore up some of the reasoning.

…ion editor, where if you click the simulate bug twice you don't get a news simulation. You have to select a new model type. Fixed this. Affected several files.

For FGES, decided to add the turning and tdepth parameters. Adjusted the manual.