Update to https rubygems
.gitignore .bundle as specific to machine
Add sample_credentials.txt file as not immediately obvious what format credentials should be in
Use https for Instapaper connection, use new link structure on their site
Fix bug - change to Highcharts 'labels: enabled' property?
Update year
Update to work with https Instapaper, and include year in xAxis label (for using over multiple years)
Add sample history file - compiled from multiple instapaper*.csvs