Cleanup the required packages
diff --git a/.Rproj.user/5271889B/persistent-state b/.Rproj.user/5271889B/persistent-state
index 94cac94..db3350e 100644
--- a/.Rproj.user/5271889B/persistent-state
+++ b/.Rproj.user/5271889B/persistent-state
@@ -1,6 +1,6 @@
build-last-errors="[]"
build-last-errors-base-dir="~/GitHub/posterdown/"
-build-last-outputs="[{\"output\":\"==> devtools::document(roclets=c('rd', 'collate', 'namespace'))\\n\\n\",\"type\":0},{\"output\":\"Updating posterdown documentation\\r\\n\",\"type\":2},{\"output\":\"Writing NAMESPACE\\r\\n\",\"type\":1},{\"output\":\"Loading posterdown\\r\\n\",\"type\":2},{\"output\":\"Writing NAMESPACE\\r\\n\",\"type\":1},{\"output\":\"Documentation completed\\n\\n\",\"type\":1},{\"output\":\"==> Rcmd.exe INSTALL --preclean --no-multiarch --with-keep.source posterdown\\n\\n\",\"type\":0},{\"output\":\"* installing to library 'C:/Users/Brent Thorne/Documents/R/win-library/3.5'\\r\\n\",\"type\":1},{\"output\":\"* installing *source* package 'posterdown' ...\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** R\\r\\n\",\"type\":1},{\"output\":\"** inst\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** byte-compile and prepare package for lazy loading\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** help\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"*** installing help indices\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\" converting help for package 'posterdown'\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\" finding HTML links ...\",\"type\":1},{\"output\":\" posterdown html \\r\\n\",\"type\":1},{\"output\":\" posterdown_memoir html \\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\" done\\r\\n\",\"type\":1},{\"output\":\"** building package indices\\r\\n\",\"type\":1},{\"output\":\"** testing if installed package can be loaded\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"* DONE (posterdown)\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"In R CMD INSTALL\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1}]"
+build-last-outputs="[{\"output\":\"==> devtools::document(roclets=c('rd', 'collate', 'namespace'))\\n\\n\",\"type\":0},{\"output\":\"Writing NAMESPACE\\r\\n\",\"type\":1},{\"output\":\"Updating posterdown documentation\\r\\n\",\"type\":2},{\"output\":\"Loading posterdown\\r\\n\",\"type\":2},{\"output\":\"Writing NAMESPACE\\r\\n\",\"type\":1},{\"output\":\"Documentation completed\\n\\n\",\"type\":1},{\"output\":\"==> Rcmd.exe INSTALL --preclean --no-multiarch --with-keep.source posterdown\\n\\n\",\"type\":0},{\"output\":\"* installing to library 'C:/Users/Brent Thorne/Documents/R/win-library/3.5'\\r\\n\",\"type\":1},{\"output\":\"* installing *source* package 'posterdown' ...\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** R\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** inst\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** byte-compile and prepare package for lazy loading\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** help\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\" converting help for package 'posterdown'\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"*** installing help indices\\r\\n\",\"type\":1},{\"output\":\" finding HTML links ...\",\"type\":1},{\"output\":\" posterdown html \\r\\n\",\"type\":1},{\"output\":\" posterdown_pdf html \\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\" done\\r\\n\",\"type\":1},{\"output\":\"** building package indices\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** testing if installed package can be loaded\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"* DONE (posterdown)\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"In R CMD INSTALL\\r\\n\",\"type\":1},{\"output\":\"\",\"type\":1}]"
compile_pdf_state="{\"errors\":[],\"output\":\"\",\"running\":false,\"tab_visible\":false,\"target_file\":\"\"}"
files.monitored-path=""
find-in-files-state="{\"handle\":\"\",\"input\":\"\",\"path\":\"\",\"regex\":true,\"results\":{\"file\":[],\"line\":[],\"lineValue\":[],\"matchOff\":[],\"matchOn\":[]},\"running\":false}"