Bump version and news

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: desctable
 Title: Produce Descriptive and Comparative Tables Easily
-Version: 0.1.7
+Version: 0.1.8
 Authors@R: c(person("Maxime", "Wack", email = "maximewack@free.fr", role = c("aut", "cre")),
              person("Adrien", "Boukobza", email = "hadrien_b@hotmail.fr", role = c("aut")))
 Description: Easily create descriptive and comparative tables.

NEWS

@@ -1,3 +1,9 @@
+Version 0.1.8
+
+- Code cleanup:
+  - use RStudio style guidelines for all code and docs
+  - use fewer tidyverse functions internally, drop `purrr` dependancy
+
 Version 0.1.7
 
 - Vignette and README with RStudio style guidelines