Generates printer friendly HTML file with your life calendar (one box per week) for 90 years.
Inspired by TED talk: Tim Urban: Inside the mind of master procrastinator
Usage: ./lifecal.rb <birthdate> [options]
-s, --stdout Print output to stdout [default]
-f, --file FILE Render output as html file
-g--granularity [GRANULARITY] Select time granularity (weeks, months), default: weeks
-h, --help Show this message