Display Logfile: Display and format the lines of log files

This class can format and display the lines of log files.

The log file may be processed and displayed with the following features:

- Display the lines by order of appearance in the log file or by reverse order
- Display all log file lines or only upto a limited number of lines
- Break lines that exceed a given number of characters
- Retrieve count log lines
- Return the output to display as text or in an array