updates for CRAN submission

Author: gavinrozzi

NEWS.md

@@ -1,7 +1,9 @@
 # *News*
 
 # zipcodeR 0.3.2
+- `zip_code_db` has been updated.
 - `download_zip_data()` has been refactored to make data updates more easily accessible and compare against existing data. Data is now directly downloaded from the upstream source and the existing data GitHub repository will no longer be updated.
+- `zip_distance()` has been updated to allow changing the type of distance calculation performed if specified via the lonlat argument.
 - Citation data is now included with package. If using `{zipcodeR}` in a publication, you can obtain citation info by running `citation("zipcodeR")`.
 - Misc updates to documentation and package reference info.
 

cran-comments.md

@@ -1,12 +1,13 @@
-# cran-comments (2021-06-09)
+# cran-comments (2021-08-28)
 
 ## Resubmission
-This is a resubmission. In this version I have modified the package so that it no longer depends on {udunits2} because of problems with that package on the latest R release on macOS. See the NEWS.md file for details on changes.
+This is a resubmission. In this version I have modified the package to refactor existing functions, add citation data and updates to documentation.
 
 ## Test environments
-* local M1 macOS Big Sur install, R 4.1
+* local M1 macOS Big Sur install, R release
 * r-Hub (Windows-devel & oldrelease on Windows Server 2008)
-* Ubuntu 16.04 Xenial, R 4.0.5 via GitHub Actions
+* Ubuntu 20.04, R release via GitHub Actions
+* Ubuntu 20.04 Xenial, R devel via GitHub Actions
 * local Windows 10 development machine, R 4.0.5
 
 ## R CMD check results