safe expression evaluation with callr#174

Merged

schloerke merged 8 commits intorstudio:masterfrom schloerke:scope

Sep 6, 2018

+198-27

Commits on Jul 27, 2018

Commits on Jul 30, 2018

comment for future cleanup
schloerke
committed

Commits on Aug 1, 2018

Commits on Aug 8, 2018

code review update. Add env variable to set launch browser shiny arg
schloerke
committed

Commits on Aug 9, 2018

do not load rlang inside callr in safe(). it loads global namespace functions
schloerke
committed