added nodelist mask examples

examples/bforce.conf

@@ -314,8 +314,11 @@ modem_dial_response "ERROR"       error
 
 #
 # Your nodelists. Will try all nodelists with matching address mask.
+# Supports nodelist masks by extension. For ex. nodelist.999 will
+# match the latest by date of nodelist.???
 #
-nodelist nodelist.ndl  *:*/*.0
+#
+nodelist nodelist.999  *:*/*.0
 nodelist 450_256.pnt  2:450/256.*
 nodelist easynet.ndl   20:26/*.0
 nodelist  *:*/*.*