Ver 1.0
  beta version

Ver 1.1
  first realese

Ver 1.2
  fixed: problem with COM Ports number 10 and more
  added: scan COM Ports 1-30 (1-20 in Ver 1.1)

Ver 1.2.1
  fixed: problem with COM Ports
  added: km/mile switch

Ver 1.2.2
  fixed: km/mile switch

Ver 1.2.3.0
  fixed: km/mile switch
  added: color bar

Ver 1.2.4.0
  fixed: speed2 now not visible

Ver 1.2.5.0
  remove: UpShift track bar
  change: speed2 now visible for new firmware versions

Ver 1.2.6.0
fixed: number of teeth not correct readed from device
add: compile date in About menu