Fixed the problem with total doc count while reindexing

SENSEI-145 totaldocs is wrong with cardemo

zoie-core/src/main/java/proj/zoie/api/ZoieSegmentReader.java

@@ -65,9 +65,9 @@ static final class UIDTokenStream extends TokenStream {
           buffer[5] = (byte) (uid >> 40);
           buffer[6] = (byte) (uid >> 48);
           buffer[7] = (byte) (uid >> 56);
-          payloadAttr = (PayloadAttribute)addAttribute(PayloadAttribute.class);
+          payloadAttr = addAttribute(PayloadAttribute.class);
           payloadAttr.setPayload(new Payload(buffer));
-          termAttr = (CharTermAttribute)addAttribute(CharTermAttribute.class);
+          termAttr = addAttribute(CharTermAttribute.class);
           termAttr.append(termVal);
           returnToken = true;
         }
@@ -242,7 +242,7 @@ private void init(IndexReader reader) throws IOException
 
 	public static long bytesToLong(byte[] bytes){
         return ((long)(bytes[7] & 0xFF) << 56) | ((long)(bytes[6] & 0xFF) << 48) | ((long)(bytes[5] & 0xFF) << 40) | ((long)(bytes[4] & 0xFF) << 32) | ((long)(bytes[3] & 0xFF) << 24) | ((long)(bytes[2] & 0xFF) << 16)
-           | ((long)(bytes[1] & 0xFF) <<  8) |  (long)(bytes[0] & 0xFF);
+           | ((long)(bytes[1] & 0xFF) <<  8) |  (bytes[0] & 0xFF);
 	}
 
 	@Override
@@ -339,7 +339,10 @@ protected void doClose() throws IOException {
 	public void decRef() throws IOException {
 		// not synchronized, since it doesn't do anything anyway
 	}
-
+   @Override
+  public int numDocs() {    
+    return super.numDocs() - _currentDelDocIds.length;
+  }
 	/**
    * makes exact shallow copy of a given ZoieMultiReader
    * @param <R>