Please pull our changes

Fixes #3 and #4. This survives R CMD check  --no-vignettes RMassBank,
but the vignette has a CTS problem

```
* checking running R code from vignettes ...
   ‘RMassBank.Rnw’ ... failed
   ‘RMassBankNonstandard.Rnw’ ... OK
 ERROR
Errors in running code in vignettes:
when running code in ‘RMassBank.Rnw’
  ...

> mb <- loadInfolists(mb, system.file("infolists_incomplete", 
+     package = "RMassBankData"))

> mb <- mbWorkflow(mb, infolist_path = "./Narcotics_infolist.csv")
mbWorkflow: Step 1. Gather info from CTS

  When sourcing ‘RMassBank.R’:
Error: non-character argument
Execution halted
```