diff --git a/DESCRIPTION b/DESCRIPTION
index b86e083..3e0952c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: bayesAB
 Type: Package
 Title: Fast Bayesian Methods for AB Testing
-Version: 1.1.0
+Version: 1.1.1
 Date: 2017-09-25
 Authors@R: person("Frank", "Portman", email = "frank1214@gmail.com", role = c("aut", "cre"))
 Description: A suite of functions that allow the user to analyze A/B test
@@ -10,7 +10,7 @@ Description: A suite of functions that allow the user to analyze A/B test
 License: MIT + file LICENSE
 Imports:
     Rcpp (>= 0.12.4),
-    ggplot2,
+    ggplot2 (>= 3.0.0),
     methods
 LinkingTo: Rcpp
 RoxygenNote: 6.0.1
diff --git a/NAMESPACE b/NAMESPACE
index f4af739..05b0142 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -6,6 +6,7 @@ S3method("-",bayesTest)
 S3method("/",bayesTest)
 S3method(c,bayesTest)
 S3method(plot,bayesTest)
+S3method(plot,bayesTestClosed)
 S3method(print,bayesBandit)
 S3method(print,bayesTest)
 S3method(print,bayesTestClosed)
diff --git a/R/combine.R b/R/combine.R
index d0edd1f..85f38c9 100644
--- a/R/combine.R
+++ b/R/combine.R
@@ -124,6 +124,7 @@ combine <- function(bT1, bT2, f = `+`, params, newName) {
 grab <- function(bT, posterior) {
   if(! posterior %in% names(bT$posteriors)) stop("That posterior doesn't exist in the input bayesTest.")
   result <- list(
+    prior = bT$prior,
     inputs = bT$inputs,
     posteriors = bT$posteriors[posterior]
   )
diff --git a/R/generics.R b/R/generics.R
index a7b1f94..5939100 100644
--- a/R/generics.R
+++ b/R/generics.R
@@ -40,7 +40,6 @@ plot.bayesTest <- function(x,
 
   if(length(x$posteriors) != length(percentLift)) stop("Must supply a 'percentLift' for every parameter with a posterior distribution.")
   if(!any(priors, posteriors, samples)) stop("Must specifiy at least one plot to make.")
-  if(isClosed(x$inputs$distribution)) stop("Can't plot 'closed form' bayesTest.")
 
   pri <- post <- samp <- list() # Initialize empty list
 
@@ -60,6 +59,11 @@ plot.bayesTest <- function(x,
 
 }
 
+#' @export
+plot.bayesTestClosed <- function(x, ...) {
+  stop("Can't plot 'closed form' bayesTest.")
+}
+
 #' @export
 print.plotBayesTest <- function(x, ...) {
 
@@ -137,7 +141,7 @@ summary.bayesTest <- function(object,
 
   if(length(object$posteriors) != length(percentLift)) stop("Must supply a 'percentLift' for every parameter with a posterior distribution.")
   if(length(object$posteriors) != length(credInt)) stop("Must supply a 'credInt' for every parameter with a posterior distribution.")
-  if(any(credInt <= 0) | any(credInt >= 1)) stop("Credible interval width ust be in (0, 1).")
+  if(any(credInt <= 0) | any(credInt >= 1)) stop("Credible interval width must be in (0, 1).")
 
   lifts <- lapply(object$posteriors, function(x) do.call(getLift, unname(x)))
   posteriorExpectedLoss <- lapply(object$posteriors, function(x) do.call(getPostError, unname(x)))
diff --git a/R/makePlots.R b/R/makePlots.R
index a551488..d2b477f 100644
--- a/R/makePlots.R
+++ b/R/makePlots.R
@@ -37,7 +37,7 @@ samplePlot <- function(A, B, name, percentLift, f = function(a, b) (a-b)/b) {
     ggplot2::geom_vline(xintercept = cutoff) +
     ggplot2::xlim(inner[1], inner[2])
 
-  m <- max(ggplot2::ggplot_build(p)$layout$panel_ranges[[1]]$y.range)
+  m <- max(ggplot2::ggplot_build(p)$layout$panel_params[[1]]$y.range)
 
   xpos <- mean(diff$diff[diff$under == F & diff$inside == T])
   if(is.nan(xpos)) xpos <- mean(diff$diff[diff$under == T & diff$inside == T])
diff --git a/tests/testthat/test-combine.R b/tests/testthat/test-combine.R
index aa2adc2..2e5c17a 100644
--- a/tests/testthat/test-combine.R
+++ b/tests/testthat/test-combine.R
@@ -35,6 +35,10 @@ test_that("Failures based on input types", {
   expect_warning(combine(AB1, AB4, f = `*`, params = c('Probability', 'Mu'), newName = 'Expectation'),
                  "n_samples not equal. Make sure `f` handles recycling appropriately.", fixed = TRUE)
 
+  expect_error(grab(AB2, 'MU'), "That posterior doesn't exist in the input bayesTest.", fixed = TRUE)
+
+  expect_error(rename(AB2, 'lol'), 'Can only rename bayesTests with one posterior.', fixed = TRUE)
+
 })
 
 test_that("Success", {
@@ -58,5 +62,7 @@ test_that("Success", {
   expect_identical(successfulTestDiv, AB1 / grab(AB2, 'Mu'))
   
   expect_identical(successfulTestMulRename, successfulTestMulRename2)
+
+  expect_equal(3, length(grab(AB2, 'Mu')))
   
 })
diff --git a/tests/testthat/test-generics.R b/tests/testthat/test-generics.R
index e573635..7e5b931 100644
--- a/tests/testthat/test-generics.R
+++ b/tests/testthat/test-generics.R
@@ -30,6 +30,10 @@ test_that("Failures based on inputs", {
   expect_error(c(x, AB4), "Unable to concatenate. Mismatches in (A_data, B_data, priors, distribution). All inputs must be the same (except n_samples).",
                fixed = TRUE)
 
+  expect_error(plot(AB3), "Can't plot 'closed form' bayesTest.", fixed = TRUE)
+
+  expect_error(summary(x, credInt = c(5, 5, 5, 5)), "Credible interval width must be in (0, 1).", fixed = TRUE)
+
 })
 
 test_that("Success", {