Fixes wrt [core#1378]

Author: cowtowncoder

src/main/scala/tools/jackson/module/scala/deser/EitherDeserializer.scala

@@ -75,7 +75,7 @@ private class EitherDeserializer(javaType: JavaType,
 
         result
       case JsonToken.START_ARRAY =>
-        val key = jp.nextTextValue()
+        val key = jp.nextStringValue()
         val `type` = jp.nextToken()
 
         val result = key match {

src/main/scala/tools/jackson/module/scala/deser/EnumerationDeserializerModule.scala

@@ -44,7 +44,7 @@ private class EnumerationDeserializer(theType: JavaType) extends ValueDeserializ
   private def parsePair(jp: JsonParser): (String, String) = (nextToken(jp), nextToken(jp))
   private def nextToken(jp: JsonParser): String = {
     jp.nextToken
-    jp.getText
+    jp.getString
   }
 }