Do not clear uploads by default

core/src/main/groovy/com/muwire/core/upload/ContentUploader.groovy

@@ -123,4 +123,13 @@ class ContentUploader extends Uploader {
     public long getTotalSize() {
         return file.length();
     }
+    
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof ContentUploader)) 
+            return false
+        ContentUploader other = (ContentUploader)o
+        request.infoHash == other.request.infoHash &&
+            request.getDownloader() == other.request.getDownloader()
+    }
 }

core/src/main/groovy/com/muwire/core/upload/HashListUploader.groovy

@@ -65,4 +65,12 @@ class HashListUploader extends Uploader {
     public long getTotalSize() {
         return -1;
     }
+    
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof HashListUploader))
+            return false
+        HashListUploader other = (HashListUploader)o
+        infoHash == other.infoHash && request.downloader == other.request.downloader
+    }
 }