Provide some fake terminal size if cannot know normal size
Continue if cannot get terminal attributes

Useful for `reptyr -L ... < /dev/null | something`

http://unix.stackexchange.com/questions/151666/how-do-i-preserve-coloured-output-when-piping-to-less-rhttp://unix.stackexchange.com/questions/151666/how-do-i-preserve-coloured-output-when-piping-to-less-r
Stop processing command line options after -l or -L
Merge pull request #42 from vi/fixmaster

Make reptyr continue in case of terminal issues + fix for `-l` and `-L`