Preliminary treemap created. Gives text on plot.
Text size for treemap is now functional.
Added ggplot2 to DESCRIPTION.
Updated NEWS
Treemap can now display colours and numbers within. This now adequately closes #1.
Merge branch 'munsell_treemap' into dev
Added try-error to pdf to close device if an error occurs.
Added numtext documentation. Kluge fixed the pdf issue. Fixes #6.
Added rogue assignment
Merge branch '6-pdf_device' into dev
Merge branch 'dev'
Incremented version number.