Revision history for RL

0.03 Sun Jul  2 23:12:21 CDT 2017
    - Add a usage statement in the pl script

0.02 Sun Jul  2 12:39:51 CDT 2017
    - nonfatal warnings in pl script
    - POD in pl script

0.01 Sat Jul  1 21:51:51 CDT 2017
    - RL an interface into the readline library