Cross compile to 2.11.x

Author: allantl

.travis.yml

@@ -1,5 +1,6 @@
 language: scala
 scala:
+  - 2.12.4
   - 2.11.12
 jdk:
   - oraclejdk8

README.md

@@ -22,6 +22,8 @@ JsonGen.jsObjectGen
 JsonGen.jsStringGen
 ```
 ### Compatibility Matrix
-|  Play Json Gen | ScalaCheck     | Play Json | Scala  |
-| -------------- | -------------- | --------- | ------ |
-| `0.1.0`        | `1.13.5`       | `2.15.18` | `2.11` |
+|  Play Json Gen | ScalaCheck     | Play Json | Scala           |
+| -------------- | -------------- | --------- | --------------- |
+| `0.1.0`        | `1.13.5`       | `2.15.18` | `2.11`          |
+| `0.1.1`        | `1.13.5`       | `2.6.8`   | `2.12`          |
+| `0.1.2`        | `1.13.5`       | `2.15.18` | `2.11` & `2.12` |

build.sbt

@@ -5,6 +5,7 @@ val ScalacheckVersion = "1.13.5"
 val PlayJsonVersion = "2.6.8"
 val ScalaTestVersion = "3.0.4"
 
+crossScalaVersions := Seq("2.11.12", "2.12.4")
 credentials += Credentials(Path.userHome / ".ivy2" / ".credentials")
 publishMavenStyle := true
 publishTo := version { (v: String) =>