anchor.diff:     https://archive.linux.duke.edu/cran/src/contrib/bindr_0.1.1.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/bindrcpp_0.2.2.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/plogr_0.2.0.tar.gz \
  -   https://archive.linux.duke.edu/cran/src/contrib/purrr_0.3.2.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/tidyselect_0.2.5.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/dplyr_0.8.0.1.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/DBI_1.0.0.tar.gz 
  
positive.code:    httr_1.4.0.tar.gz \
     gh_1.0.1.tar.gz \
     clipr_0.6.0.tar.gz \
     clisymbols_1.2.0.tar.gz \   
     usethis_1.5.0.tar.gz \
     memoise_1.1.0.tar.gz \
     bitops_1.0-6.tar.gz \
  
negative.code:    xopen_1.0.0.tar.gz \
     rcmdcheck_1.3.3.tar.gz \
     remotes_2.0.4.tar.gz \
     purrr_0.3.2.tar.gz \
     usethis_1.5.0.tar.gz \
     ini_0.3.1.tar.gz \
     jsonlite_1.6.tar.gz \
  