Session info

## Local:    (detached) /home/travis/build/jennybc/what-they-forgot
## Head:     [2c536d6] 2019-08-31: Modified link of devtools CRAN page (#60)
## ─ Session info ──────────────────────────────────────────────────────────
##  setting  value                       
##  version  R version 3.6.1 (2017-01-27)
##  os       Ubuntu 16.04.6 LTS          
##  system   x86_64, linux-gnu           
##  ui       X11                         
##  language en_US.UTF-8                 
##  collate  en_US.UTF-8                 
##  ctype    en_US.UTF-8                 
##  tz       UTC                         
##  date     2019-08-31                  
## 
## ─ Packages ──────────────────────────────────────────────────────────────
##  package     * version date       lib source                           
##  assertthat    0.2.1   2019-03-21 [1] CRAN (R 3.6.1)                   
##  bookdown      0.13.2  2019-08-30 [1] Github (rstudio/bookdown@56166fe)
##  cli           1.1.0   2019-03-19 [1] CRAN (R 3.6.1)                   
##  crayon        1.3.4   2017-09-16 [1] CRAN (R 3.6.1)                   
##  digest        0.6.20  2019-07-04 [1] CRAN (R 3.6.1)                   
##  evaluate      0.14    2019-05-28 [1] CRAN (R 3.6.1)                   
##  git2r         0.26.1  2019-06-29 [1] CRAN (R 3.6.1)                   
##  htmltools     0.3.6   2017-04-28 [1] CRAN (R 3.6.1)                   
##  knitr         1.24    2019-08-08 [1] CRAN (R 3.6.1)                   
##  magrittr      1.5     2014-11-22 [1] CRAN (R 3.6.1)                   
##  Rcpp          1.0.2   2019-07-25 [1] CRAN (R 3.6.1)                   
##  rmarkdown     1.15    2019-08-21 [1] CRAN (R 3.6.1)                   
##  sessioninfo   1.1.1   2018-11-05 [1] CRAN (R 3.6.1)                   
##  stringi       1.4.3   2019-03-12 [1] CRAN (R 3.6.1)                   
##  stringr       1.4.0   2019-02-10 [1] CRAN (R 3.6.1)                   
##  withr         2.1.2   2018-03-15 [1] CRAN (R 3.6.1)                   
##  xfun          0.9     2019-08-21 [1] CRAN (R 3.6.1)                   
##  yaml          2.2.0   2018-07-25 [1] CRAN (R 3.6.1)                   
## 
## [1] /home/travis/R/Library
## [2] /usr/local/lib/R/site-library
## [3] /home/travis/R-bin/lib/R/library