Display log message which is similar to the format of normal log messages of MCMD shown upon completion. The format is as follows.
#MSG# message; date and time
* MCMD::messageLog(msg[,fileObject])
msg - Message to be displayed.
fileObject - Output file object. Returns standard error (STDERR) when this is not specified.
# Display normal message to standard error. > MCMD::messageLog("mburst.rb This is a message. ") #END# mburst.rb This is a message. ; 2013/11/01 19:09:50
errorLog : Output error log message
endLog : Output end log message