Fixed Network's broken choice of next connectable peer.

Slight improvement to comment in Peer.

src/main/java/org/qora/network/Network.java

@@ -597,8 +597,7 @@ public class Network extends Thread {
 			// Don't consider peers with recent connection failures
 			final long lastAttemptedThreshold = now - CONNECT_FAILURE_BACKOFF;
 			peers.removeIf(peerData -> peerData.getLastAttempted() != null &&
-					peerData.getLastConnected() != null &&
-					peerData.getLastConnected() < peerData.getLastAttempted() &&
+					(peerData.getLastConnected() == null || peerData.getLastConnected() < peerData.getLastAttempted()) &&
 					peerData.getLastAttempted() > lastAttemptedThreshold);
 
 			// Don't consider peers that we know loop back to ourself

src/main/java/org/qora/network/Peer.java

@@ -317,7 +317,7 @@ public class Peer {
 					}
 
 					if (message == null && bytesRead == 0 && !wasByteBufferFull)
-						// No complete message in buffer, no more bytes to read from socket and there was room to read bytes
+						// No complete message in buffer, no more bytes to read from socket even though there was room to read bytes
 						return;
 
 					if (message == null)