Move DescTools:: from suggests to imports

[egouldo]

On devtools::install_github() for the package, I'm getting the following error:

The downloaded binary packages are in
	/var/folders/p7/hfv_wt9x6kl7bk4jtr1q2gk80000gn/T//Rtmp5COXOd/downloaded_packages
── R CMD build ─────────────────────────────────────────────────────────
✔  checking for file ‘/private/var/folders/p7/hfv_wt9x6kl7bk4jtr1q2gk80000gn/T/Rtmp5COXOd/remotes48c04150cb2f/metamelb-repliCATS-aggreCAT-773617e/DESCRIPTION’ (476ms)
─  preparing ‘aggreCAT’:
✔  checking DESCRIPTION meta-information
─  installing the package to process help pages
         -----------------------------------
─  installing *source* package ‘aggreCAT’ ...
   ** using staged installation
   ** R
   ** data
   *** moving datasets to lazyload DB
   ** inst
   ** byte-compile and prepare package for lazy loading
   Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]) : 
     there is no package called ‘DescTools’
   Calls: <Anonymous> ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
   Execution halted
   ERROR: lazy loading failed foreCAT’
─  removing ‘/private/var/folders/p7/hfv_wt9x6kl7bk4jtr1q2gk80000gn/T/RtmpR5FsKF/Rinst57e0133b8791/aggreCAT’
         -----------------------------------
   ERROR: package installation failed
Error: Failed to install 'aggreCAT' from GitHub:
  ! System command 'R' failed

Should we move DescTools out of Suggests to Imports then??