Upgrade to circe 0.9.0-M1

Update specs and some outdated code

build.sbt

@@ -11,17 +11,17 @@ lazy val finagleVersion = "6.45.0"
 lazy val twitterServerVersion = "1.30.0"
 lazy val finagleOAuth2Version = "0.6.45"
 lazy val finagleHttpAuthVersion = "0.1.0"
-lazy val circeVersion = "0.8.0"
-lazy val circeJacksonVersion = "0.8.0"
+lazy val circeVersion = "0.9.0-M1"
+lazy val circeJacksonVersion = "0.9.0-M1"
 lazy val catbirdVersion = "0.15.0"
 lazy val shapelessVersion = "2.3.2"
-lazy val catsVersion = "0.9.0"
+lazy val catsVersion = "1.0.0-MF"
 lazy val sprayVersion = "1.3.3"
 lazy val playVersion = "2.6.0-RC2"
 lazy val jacksonVersion = "2.8.8"
 lazy val argonautVersion = "6.2"
 lazy val json4sVersion = "3.5.2"
-lazy val iterateeVersion = "0.12.0"
+lazy val iterateeVersion = "0.13.0"
 
 lazy val compilerOptions = Seq(
   "-deprecation",

circe/src/main/scala/io/finch/circe/Decoders.scala

@@ -29,9 +29,9 @@ trait Decoders {
     Enumerate.instance[A, Application.Json]((enum, cs) => {
       val parsed = cs match {
         case StandardCharsets.UTF_8 =>
-          enum.map(_.asByteArray).through(byteParser[Future])
+          enum.map(_.asByteArray).through(byteStreamParser[Future])
         case _ =>
-          enum.map(_.asString(cs)).through(stringParser[Future])
+          enum.map(_.asString(cs)).through(stringStreamParser[Future])
       }
       parsed.through(decoder[Future, A])
     })

circe/src/main/scala/io/finch/circe/package.scala

@@ -12,8 +12,8 @@ package object circe extends Encoders with Decoders {
   /**
    * Provides a [[Printer]] that drops null keys.
    */
-  object dropNullKeys extends Encoders with Decoders {
-    private[this] val printer: Printer = Printer.noSpaces.copy(dropNullKeys = true)
+  object dropNullValues extends Encoders with Decoders {
+    private[this] val printer: Printer = Printer.noSpaces.copy(dropNullValues = true)
     protected def print(json: Json, cs: Charset): Buf =
       Buf.ByteBuffer.Owned(printer.prettyByteBuffer(json, cs))
   }

circe/src/test/scala/io/finch/circe/test/CirceSpec.scala

@@ -15,6 +15,6 @@ class CirceJacksonSpec extends AbstractJsonSpec {
 }
 
 class CirceDropNullKeysSpec extends AbstractJsonSpec {
-  import io.finch.circe.dropNullKeys._
+  import io.finch.circe.dropNullValues._
   checkJson("circe-dropNullKeys")
 }

examples/src/main/scala/io/finch/iteratee/Main.scala

@@ -70,4 +70,4 @@ case class Number(i: Int) {
 
 }
 
-case class IsPrime(isPrime: Boolean)
+case class IsPrime(isPrime: Boolean)

json-test/src/main/scala/io/finch/test/JsonLaws.scala

@@ -50,9 +50,9 @@ trait EnumerateJsonLaws[A] extends Laws with AllInstances with FutureModule {
   def enumerate: Enumerate.Json[A]
 
   def success(a: List[A], cs: Charset)(implicit e: Encoder[A], d: Decoder[A]): IsEq[Vector[A]] = {
-    val json = enumOne(Encoder.encodeList[A].apply(a).noSpaces)
+    val json = enumList(a).map(a => e(a).noSpaces).intersperse("\n")
     val enum = json.map(str => Buf.ByteArray.Owned(str.getBytes(cs.name)))
-    val toCompare = json.through(stringParser[Future]).through(decoder[Future, A])
+    val toCompare = json.through(stringStreamParser[Future]).through(decoder[Future, A])
     Await.result(enumerate(enum, cs).toVector) <-> Await.result(toCompare.toVector)
   }