update cran-comments

fix broken URLs

update cran comments

Merge pull request #554 from njtierney/tidy-for-release-043

Tidy for release 043

remove `is_not_cran()` function

Merge pull request #489 from njtierney/polish-0-4-1-news

Polish 0 4 1 news

release candidate 0.3.1 (#305)

release candidate 0.3.1

Merge pull request #235 from greta-dev/rc_0_3_0

v0.3.0 release candidate

Merge pull request #194 from greta-dev/update_readme_installation

update installation instructions in the readme

Merge pull request #136 from greta-dev/dev

v0.2.4 release candidate