changed variable name 'complRefracIndex' to 'refracIndex' (issue https://github.com/jspaaks/baltrad-node/issues/19)
changed variable name 'complRefracIndex' to 'refracIndex' (issue https://github.com/jspaaks/baltrad-node/issues/19)

NLeSC/enram,NLeSC/enram,NLeSC/enram,NLeSC/enram