Clean up the locking loop, and fix a leak

Index: beagled/Lucene.Net/Analysis/Standard/StandardTokenizer.cs
===================================================================
RCS file: /cvs/gnome/beagle/beagled/Lucene.Net/Analysis/Standard/StandardTokenizer.cs,v
retrieving revision 1.4
diff -u -B -p -r1.4 StandardTokenizer.cs
--- beagled/Lucene.Net/Analysis/Standard/StandardTokenizer.cs	7 Oct 2005 00:54:06 -0000	1.4
+++ beagled/Lucene.Net/Analysis/Standard/StandardTokenizer.cs	29 Oct 2005 15:14:23 -0000
@@ -111,7 +111,14 @@ namespace Lucene.Net.Analysis.Standard
 			}
 			throw new System.ApplicationException("Missing return statement in function");
 		}
-		
+
+		/// <summary>By default, closes the input Reader. </summary>
+		public override void Close()
+		{
+			token_source.Close ();
+			base.Close ();
+		}
+
 		public StandardTokenizerTokenManager token_source;
 		public Token token, jj_nt;
 		private int jj_ntk;
Index: beagled/Lucene.Net/Analysis/Standard/StandardTokenizerTokenManager.cs
===================================================================
RCS file: /cvs/gnome/beagle/beagled/Lucene.Net/Analysis/Standard/StandardTokenizerTokenManager.cs,v
retrieving revision 1.4
diff -u -B -p -r1.4 StandardTokenizerTokenManager.cs
--- beagled/Lucene.Net/Analysis/Standard/StandardTokenizerTokenManager.cs	17 Oct 2005 18:58:06 -0000	1.4
+++ beagled/Lucene.Net/Analysis/Standard/StandardTokenizerTokenManager.cs	29 Oct 2005 15:14:25 -0000
@@ -20,6 +20,14 @@ namespace Lucene.Net.Analysis.Standard
 	
 	public class StandardTokenizerTokenManager : StandardTokenizerConstants
 	{
+
+		/// <summary>By default, closes the input Reader.</summary>
+		public void Close()
+		{
+			debugStream.Close();
+			input_stream.Done();
+		}
+
 		private void  InitBlock()
 		{
 			System.IO.StreamWriter temp_writer;
Index: beagled/Lucene.Net/Store/Lock.cs
===================================================================
RCS file: /cvs/gnome/beagle/beagled/Lucene.Net/Store/Lock.cs,v
retrieving revision 1.4
diff -u -B -p -r1.4 Lock.cs
--- beagled/Lucene.Net/Store/Lock.cs	27 Oct 2005 20:10:34 -0000	1.4
+++ beagled/Lucene.Net/Store/Lock.cs	29 Oct 2005 15:14:26 -0000
@@ -70,14 +70,7 @@ namespace Lucene.Net.Store
 				}
 				++sleepCount;
 
-				try
-				{
-					System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * LOCK_POLL_INTERVAL));
-				}
-				catch (System.Threading.ThreadInterruptedException e)
-				{
-					throw new System.IO.IOException(e.ToString());
-				}
+				System.Threading.Thread.Sleep((int) LOCK_POLL_INTERVAL);
 				locked = Obtain();
 			}
 			return locked;