Increment version number to 0.4.1

update comments and news

update cran comment

Merge pull request #311 from R4EPI/fix_pkgdown

still on pkgdown

Merge pull request #310 from R4EPI/fix_pkgdown

Fix pkgdown

remove docs from gitignore

Merge pull request #308 from R4EPI/nb_outbreakWalk

Nb outbreak walk

update news

bump version (#273)

switch from clean_variable_spelling to match_df (#240)

* switch from clean_variable_spelling to match_df

This will address #239

* add trailing comma

* Increment version number; add news

* update site