Set version to 0.18.0

Viktor Lövgren · Viktor Lövgren · commit 75f7de2afbc7 · 2018-12-16T11:10:30.000Z
diff --git a/version.sbt b/version.sbt
@@ -1 +1 @@
-version in ThisBuild := "0.18.0-SNAPSHOT"
+version in ThisBuild := "0.18.0"

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-version in ThisBuild := "0.18.0-SNAPSHOT"`
	`1`	`+version in ThisBuild := "0.18.0"`