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

@@ -21,6 +21,8 @@ Checkers.urlGen       // URL Gen
 Checkers.mimeTypeGen  // Mimetype Gen
 ```
 ### Compatibility Matrix
-|  Scala Checkers | ScalaCheck     | Scala  |
-| --------------- | -------------- | ------ |
-| `0.1.0`         | `1.13.5`       | `2.11` |
+|  Scala Checkers | ScalaCheck     | Scala           |
+| --------------- | -------------- | --------------- |
+| `0.1.0`         | `1.13.5`       | `2.11`          |
+| `0.1.1`         | `1.13.5`       | `2.12`          |
+| `0.1.2`         | `1.13.5`       | `2.12` & `2.11` |

build.sbt

@@ -3,6 +3,7 @@ scalacOptions ++= Seq("-feature", "-target:jvm-1.8")
 scalaVersion := "2.12.4"
 val ScalacheckVersion = "1.13.5"
 
+crossScalaVersions := Seq("2.11.12", "2.12.4")
 credentials += Credentials(Path.userHome / ".ivy2" / ".credentials")
 publishMavenStyle := true
 publishTo := version { (v: String) =>