added an interface checker to compare par/obs names in tpl/ins to pst file. Also revised the prep_for_dsi() method to be more general. And using explicit order in the dsi forward run.
Coverage: 78.933% (+0.04%) from 78.891% when pulling a9a662fc885bc51ba20cdaa72a0b3eb8effa94d1 on jtwhite79:feat_icheck into ede7f7cdae0b2d7b3f9aef28a9061650d47b715f on pypest:develop.
added an interface checker to compare par/obs names in tpl/ins to pst file. Also revised the
prep_for_dsi()
method to be more general. And using explicit order in the dsi forward run.