update cran comments for 1.8.13 release

Author: jefferis

cran-comments.md

@@ -1,20 +1,24 @@
 # nat 1.8.13
 
-* minor updates and fixes
-* includes fix for upcoming testthat v2 at request of Hadley Wickham
-* fixes error on Solaris test suite due to network connectivity issue
-  https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/nat-00check.html
+This is a maintenance release to fix two key issues. I hope to make
+a full-featured release that will also address a NOTE due to a change
+in rgl::as.mesh3d on my return from vacation in early September
+(discussed with Kurt Hornik).
+
+* fix for a digest mismatch in a test causing a check error on CRAN
+* fix for very slow connection handling in neuronlistfh (change in behaviour 
+  since R 3.6.0)
 
 ## Test environments
-* local OS X install, R 3.4.2
-* ubuntu 12.04 (on travis-ci), R 3.4.2
-* win-builder (devel)
+* local OS X install, R 3.6.1
+* ubuntu 12.04 (on travis-ci), R 3.6.1
+* win-builder (r-devel)
 
 ## R CMD check results
 
 0 errors | 0 warnings | 0 notes
 
-https://win-builder.r-project.org/2x7Txk57YxtD/00check.log
+https://win-builder.r-project.org/2z5JKK1sfPfL/00check.log
 
 Please note that previous versions of R reported possible spelling errors in 
 the DESCRIPTION file, but these were all false positives.