diff --git a/.classpath b/.classpath
index e5053f4..5edd1b5 100644
--- a/.classpath
+++ b/.classpath
@@ -1,22 +1,23 @@
 <classpath>
-  <classpathentry output="target/scala-2.10/classes" kind="src" path="src/main/scala"/>
-  <classpathentry output="target/scala-2.10/classes" kind="src" path="src/main/java"/>
-  <classpathentry output="target/scala-2.10/test-classes" kind="src" path="src/test/scala"/>
-  <classpathentry output="target/scala-2.10/test-classes" kind="src" path="src/test/java"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-can/bundles/spray-can-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-io/bundles/spray-io-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-util/bundles/spray-util-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-http/bundles/spray-http-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.parboiled/parboiled-scala_2.10/bundles/parboiled-scala_2.10-1.1.6.jar"/>
+  <classpathentry output="target/scala-2.11/classes" kind="src" path="src/main/scala"/>
+  <classpathentry output="target/scala-2.11/classes" kind="src" path="src/main/java"/>
+  <classpathentry output="target/scala-2.11/test-classes" kind="src" path="src/test/scala"/>
+  <classpathentry output="target/scala-2.11/test-classes" kind="src" path="src/test/java"/>
+  <classpathentry kind="con" path="org.scala-ide.sdt.launching.SCALA_CONTAINER"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-can_2.11/bundles/spray-can_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-io_2.11/bundles/spray-io_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-util_2.11/bundles/spray-util_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-http_2.11/bundles/spray-http_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.parboiled/parboiled-scala_2.11/bundles/parboiled-scala_2.11-1.1.6.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.parboiled/parboiled-core/bundles/parboiled-core-1.1.6.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-routing/bundles/spray-routing-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-httpx/bundles/spray-httpx-1.3.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-routing_2.11/bundles/spray-routing_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-httpx_2.11/bundles/spray-httpx_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scala-lang.modules/scala-xml_2.11/bundles/scala-xml_2.11-1.0.2.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.jvnet.mimepull/mimepull/jars/mimepull-1.9.4.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.chuusai/shapeless_2.10/jars/shapeless_2.10-1.2.4.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-json_2.10/bundles/spray-json_2.10-1.2.6.jar"/>
-  <classpathentry kind="con" path="org.scala-ide.sdt.launching.SCALA_CONTAINER"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe.akka/akka-actor_2.10/jars/akka-actor_2.10-2.3.0.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe/config/bundles/config-1.2.0.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.chuusai/shapeless_2.11/jars/shapeless_2.11-1.2.4.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-json_2.11/bundles/spray-json_2.11-1.3.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe.akka/akka-actor_2.11/jars/akka-actor_2.11-2.3.6.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe/config/bundles/config-1.2.1.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/net.sourceforge.owlapi/owlapi-distribution/bundles/owlapi-distribution-3.5.0.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/net.sourceforge.owlapi/owlapi-apibinding/bundles/owlapi-apibinding-3.5.0.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/net.sourceforge.owlapi/owlapi-api/bundles/owlapi-api-3.5.0.jar"/>
@@ -36,8 +37,9 @@
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.semanticweb.elk/elk-util-logging/jars/elk-util-logging-0.4.1.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.semanticweb.elk/elk-util-common/jars/elk-util-common-0.4.1.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.semanticweb.elk/elk-util-io/jars/elk-util-io-0.4.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.phenoscape/owlet/jars/owlet-1.1.2.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-core_2.10/bundles/scalaz-core_2.10-7.1.0.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.phenoscape/owlet/jars/owlet-1.3.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-core_2.11/bundles/scalaz-core_2.11-7.1.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scala-lang.modules/scala-parser-combinators_2.11/bundles/scala-parser-combinators_2.11-1.0.2.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/log4j/log4j/bundles/log4j-1.2.17.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.apache.jena/jena-tdb/jars/jena-tdb-1.0.2.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.apache.jena/jena-arq/jars/jena-arq-2.11.2.jar"/>
@@ -57,13 +59,25 @@
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.apache.httpcomponents/httpclient-cache/jars/httpclient-cache-4.2.6.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.slf4j/jcl-over-slf4j/jars/jcl-over-slf4j-1.7.6.jar"/>
   <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/commons-io/commons-io/jars/commons-io-2.4.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-testkit/jars/spray-testkit-1.3.1.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe.akka/akka-testkit_2.10/jars/akka-testkit_2.10-2.3.0.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.specs2/specs2-core_2.10/jars/specs2-core_2.10-2.3.7.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.specs2/specs2-matcher_2.10/jars/specs2-matcher_2.10-2.3.7.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.specs2/specs2-common_2.10/jars/specs2-common_2.10-2.3.7.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-concurrent_2.10/bundles/scalaz-concurrent_2.10-7.0.5.jar"/>
-  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-effect_2.10/bundles/scalaz-effect_2.10-7.0.5.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/io.spray/spray-testkit_2.11/jars/spray-testkit_2.11-1.3.2.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/com.typesafe.akka/akka-testkit_2.11/jars/akka-testkit_2.11-2.3.6.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.specs2/specs2_2.11/jars/specs2_2.11-2.3.13.jar"/>
+  <classpathentry kind="con" path="org.scala-ide.sdt.launching.SCALA_COMPILER_CONTAINER"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/junit/junit/jars/junit-4.11.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.hamcrest/hamcrest-core/jars/hamcrest-core-1.3.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.pegdown/pegdown/jars/pegdown-1.2.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.parboiled/parboiled-java/jars/parboiled-java-1.1.4.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.ow2.asm/asm/jars/asm-4.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.ow2.asm/asm-tree/jars/asm-tree-4.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.ow2.asm/asm-analysis/jars/asm-analysis-4.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.ow2.asm/asm-util/jars/asm-util-4.1.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalacheck/scalacheck_2.11/jars/scalacheck_2.11-1.11.3.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scala-sbt/test-interface/jars/test-interface-1.0.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.mockito/mockito-core/jars/mockito-core-1.9.5.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.objenesis/objenesis/jars/objenesis-1.0.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.specs2/classycle/jars/classycle-1.4.3.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-concurrent_2.11/bundles/scalaz-concurrent_2.11-7.0.6.jar"/>
+  <classpathentry kind="lib" path="/Users/jim/.ivy2/cache/org.scalaz/scalaz-effect_2.11/bundles/scalaz-effect_2.11-7.0.6.jar"/>
   <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
   <classpathentry kind="output" path="bin"/>
 </classpath>
\ No newline at end of file
diff --git a/.settings/org.scala-ide.sdt.core.prefs b/.settings/org.scala-ide.sdt.core.prefs
index 017ae82..d91edf3 100644
--- a/.settings/org.scala-ide.sdt.core.prefs
+++ b/.settings/org.scala-ide.sdt.core.prefs
@@ -1,5 +1,5 @@
 #Generated by sbteclipse
-#Wed Aug 13 14:18:15 EDT 2014
+#Fri Mar 06 16:37:54 EST 2015
 scala.compiler.additionalParams=-encoding utf8
 deprecation=true
 unchecked=true
diff --git a/build.sbt b/build.sbt
index 56d6309..3117fac 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ organization  := "org.phenoscape"
 
 name          := "owlery"
 
-version       := "0.9.1"
+version       := "0.10"
 
 packageArchetype.java_server
 
@@ -23,26 +23,25 @@ daemonUser in Linux := normalizedName.value // user which will execute the appli
 
 daemonGroup in Linux := normalizedName.value    // group which will execute the application
 
-scalaVersion  := "2.10.3"
+scalaVersion  := "2.11.6"
 
 scalacOptions := Seq("-unchecked", "-deprecation", "-encoding", "utf8")
 
 resolvers += "Phenoscape Maven repository" at "http://phenoscape.svn.sourceforge.net/svnroot/phenoscape/trunk/maven/repository"
 
 libraryDependencies ++= {
-  val akkaV = "2.3.0"
-  val sprayV = "1.3.1"
+  val akkaV = "2.3.6"
+  val sprayV = "1.3.2"
   Seq(
-    "io.spray"               %   "spray-can"           % sprayV,
-    "io.spray"               %   "spray-routing"       % sprayV,
-    "io.spray"               %   "spray-json_2.10"     % "1.2.6",
-    "io.spray"               %   "spray-testkit"       % sprayV  % "test",
+    "io.spray"               %%  "spray-can"           % sprayV,
+    "io.spray"               %%  "spray-routing"       % sprayV,
+    "io.spray"               %%  "spray-json"          % "1.3.1",
+    "io.spray"               %%  "spray-testkit"       % sprayV  % "test",
     "com.typesafe.akka"      %%  "akka-actor"          % akkaV,
     "com.typesafe.akka"      %%  "akka-testkit"        % akkaV   % "test",
-    "org.specs2"             %%  "specs2-core"         % "2.3.7" % "test",
     "net.sourceforge.owlapi" %   "owlapi-distribution" % "3.5.0",
     "org.semanticweb.elk"    %   "elk-owlapi"          % "0.4.1",
-    "org.phenoscape"         %   "owlet"               % "1.1.5",
+    "org.phenoscape"         %   "owlet"               % "1.3",
     "commons-io"             %   "commons-io"          % "2.4",
     "org.apache.jena"        %   "apache-jena-libs"    % "2.11.2"
   )
diff --git a/src/main/scala/org/phenoscape/owlery/MarshallableOwlery.scala b/src/main/scala/org/phenoscape/owlery/MarshallableOwlery.scala
index be6a5ce..419a87e 100644
--- a/src/main/scala/org/phenoscape/owlery/MarshallableOwlery.scala
+++ b/src/main/scala/org/phenoscape/owlery/MarshallableOwlery.scala
@@ -10,6 +10,6 @@ trait MarshallableOwlery {
 
   def kbs: Map[String, Knowledgebase]
 
-  implicit val OwleryMarshaller = Marshaller.delegate[MarshallableOwlery, JsArray](MediaTypes.`application/json`)(owlery => JsArray(owlery.kbs.keys.map(_.toJson).toList))
+  implicit val OwleryMarshaller = Marshaller.delegate[MarshallableOwlery, JsArray](MediaTypes.`application/json`)(owlery => JsArray(owlery.kbs.keys.map(_.toJson).toVector))
 
 }
\ No newline at end of file