Upgrade scalalib and introduce implicit failures

project/Build.scala

@@ -32,7 +32,7 @@ object ApplicationBuild extends Build with Resolvers with Dependencies {
     scalacOptions := Seq("-deprecation", "-unchecked")
   ) dependsOn (ornicarScalalib)
 
-  lazy val ornicarScalalib = uri("git://github.com/ornicar/scalalib#1.2")
+  lazy val ornicarScalalib = uri("git://github.com/ornicar/scalalib#1.6")
 }
 
 object ShellPrompt {

src/main/scala/model/Board.scala

@@ -7,6 +7,8 @@ import format.Visual
 
 case class Board(pieces: Map[Pos, Piece]) {
 
+  import implicitFailures._
+
   def apply(at: Pos): Option[Piece] = pieces get at
 
   def apply(x: Int, y: Int): Option[Piece] = pos(x, y) flatMap pieces.get

src/main/scala/package.scala

@@ -13,4 +13,8 @@ package object lila
     with scalaz.Strings
     with scalaz.NonEmptyLists
     with scalaz.Semigroups {
+
+  object implicitFailures {
+    implicit def stringToFailures(str: String): Failures = str wrapNel
+  }
 }