bump version, add news

Author: dajmcdon

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: epiprocess
 Title: Tools for basic signal processing in epidemiology
-Version: 0.11.3
+Version: 0.11.4
 Authors@R: c(
     person("Jacob", "Bien", role = "ctb"),
     person("Logan", "Brooks", , "lcbrooks+github@andrew.cmu.edu", role = c("aut", "cre")),

NEWS.md

@@ -58,6 +58,7 @@ Pre-1.0.0 numbering scheme: 0.x will indicate releases, while 0.x.y will indicat
 - Various functions are now faster, using faster variants of core operations and
   avoiding reconstructing grouped `epi_df`s when unnecessary.
 - Add `autoplot.epi_archive()` to display revision patterns.
+- `sum_groups_epi_df()` now supports tidyselect syntax in it's second argument (#655).
 
 ## Bug fixes