Fixed error in trailer with no filepath
Fixed cursor issue with landscape
Added vagrant, some new doc methods
Merge branch 'master' of https://github.com/katerina7479/pypdflite
First try
Working arcs.
Line graphs
Improving line graphs
Fixed auto generate axis
Fixed formats
Implementing pie charts
Pie chart working
Pie chart labels
Factored out pdfgraph
Factoring
Fixing bar charts
Fixed bar charts
Added graph titles
Working on key
Adding legend