bump to 1.8.1.9000

Author: jgabry

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: bayesplot
 Type: Package
 Title: Plotting for Bayesian Models
-Version: 1.8.1
+Version: 1.8.1.9000
 Date: 2021-06-13
 Authors@R: c(person("Jonah", "Gabry", role = c("aut", "cre"), email = "[email protected]"),
              person("Tristan", "Mahr", role = "aut"),

NEWS.md

@@ -1,12 +1,11 @@
 <!-- See http://style.tidyverse.org/news.html for advice on writing news -->
 
+# bayesplot 1.8.1.9000
+
 # bayesplot 1.8.1
 
 * Fix R cmd check error on linux for CRAN 
 
-* `mcmc_dens()` and `mcmc_dens_overlay()` gain arguments for controlling the 
-  the density calculation. (#258)
-
 # bayesplot 1.8.0
 
 ### Bug fixes