RC 0.5.5 (#495)

* Update `cran-comments.md`

* Increment version number to 0.5.5

RC 0.5.4 (#490)

RC 0.5.3 (#484)

* Increment version number to 0.5.3

* Add expectation to test

* Flatten nested test_that pattern

RC 0.5.2 (#450)

* Remove link which is timing out

* Increment version number to 0.5.2

* CRAN-SUBMISSION

* Delete CRAN-SUBMISSION

Merge pull request #417 from DavisVaughan/rc/0.5.1

RC 0.5.1

Merge pull request #398 from DavisVaughan/rc/0.5.0

RC 0.5.0

Increment version number to 0.4.7

Merge pull request #333 from DavisVaughan/rc/0-4-6

RC 0.4.6

Document 0.4.5 patch release done by CRAN

Redocument