Query.copy() copies Key into EndkeyDocID

The bug causes all query results are not as expected: in every case "key" argument is changed to "EndkeyDocID".

My proposed patch:

$
diff --git a/src/main/java/com/couchbase/client/protocol/views/Query.java b/src/main/java/com/couchbase/client/protocol/views/Query.java
index fca7ccf..3a019a0 100644
--- a/src/main/java/com/couchbase/client/protocol/views/Query.java
+++ b/src/main/java/com/couchbase/client/protocol/views/Query.java
@@ -174,7 +174,7 @@ public class Query {
       query.setInclusiveEnd(((Boolean)args.get(INCLUSIVEEND)).booleanValue());
     }
     if (args.containsKey(KEY)) {
- query.setEndkeyDocID(((String)args.get(KEY)));
+ query.setKey(((String)args.get(KEY)));
     }
     if (args.containsKey(LIMIT)) {
       query.setLimit(((Integer)args.get(LIMIT)).intValue());
$