4.1.1
  - Initial Release

4.2.2
  - Supports Rack 00
  - Fixed bit write bug
  - NET/NS LED red only if active rack
  - Fixed a BT bug with PLC-5 Classic Processors

4.4.1
  - Fixed problem with Abort, noise and CRC errors from other Adapter modules 
  - Fixed BT by Len problem, monitored BT could overwrite active BT data

4.6.1
  - Fixed BTR by Len problem, monitored racks would cause BTR to be all zeros
  - Fixed bug, Rack Status bits would not update so S2 file was not correct, 
    bug introduced in 4.4.1

4.7.1
  - update to web ui -- new view cfg page, view active cfg page, network 
    diagnostics, view enet/ip log, view syslog
  - Extended time for CIP connection timeout timer
  - Do not return EIP error when CIP connection closes

4.8.4
  - Added LedIgnNoise, LedIgnAbort, LedIgnCrc, LedIgnTout, LedIgnPrcl
  - Fixed incorrect offsets for F file error messages
  - Corrected some error messages
  - update to web ui -- new view active cfg page, network diagnostics, 
    view enet/ip log, view syslog

4.8.8
  - Fixed problem with unreliable Ethernet/Internet networks
  - log messages simplified and more informative
  - improved web page updates
    
4.9.3
  - Fixed Floating point access (word swap for typed r/w only)
  - Don't allow write to O file
  - Cosmetic fixes