Improve formatting, comments, and error msgs
Improve formatting, comments, and error msgs

jcpeterson/Dallinger,suchow/Wallace,Dallinger/Dallinger,berkeley-cocosci/Wallace,jcpeterson/Dallinger,berkeley-cocosci/Wallace,Dallinger/Dallinger,suchow/Wallace,jcpeterson/Dallinger,berkeley-cocosci/Wallace,Dallinger/Dallinger,Dallinger/Dallinger,suchow/Wallace,jcpeterson/Dallinger,Dallinger/Dallinger,jcpeterson/Dallinger