## Submission comments
This submission fixes a few minor bugs, including a NOTE and an ERROR on CRAN.

## Test environments
* MacOS (github), R-release
* Windows (github), R-release
* Windows (winbuilder), R-release
* Windows (winbuilder), R-devel
* Linux (github), R-devel
* Linux (github), R-release
* Linux (github), R-oldrelease-1
* Linux (github), R-oldrelease-2
* Linux (github), R-oldrelease-3
* Linux (github), R-oldrelease-4

## R CMD check results
0 errors | 0 warnings | 0 notes

## revdepcheck results

We checked 14 reverse dependencies, comparing R CMD check results across CRAN and dev versions of this package.

 * We saw 0 new problems
 * We failed to check 0 packages
