This is a resubmission. In this version I have:
20-FEB-2018
- Removed "in R" from DESCRIPTION
- Added details in DESCRIPTION
- Updated the examples to write in temp directory
19-FEB-2018
- Removed redundant content from the DESCRIPTION ("This package ...")
- Added reference to the IDX format specification
- Used CRAN license template
- local OS X install, R 3.4.3
- ubuntu 14.04 (on travis-ci), R 3.4.3
- win-builder (devel)
There were no ERRORs or WARNINGs.