* 0.8

** Pages
    Adding a page updates the Pages tree to account for the added page

** pdfaddpg.pl
    Sort out page insertion bugs

* 0.7
Lots of changes in the area of fixing file updating (rather than creating)

* 0.5
Lots of changes and introduction of this document

** SFont
    Remove dependence upon Font::Metrics, introduce dependence on 
    Compress::Zlib, which is more likely to be available.
    Store width tables in class

** File
    Restructure saving a lot to allow incremental output with emptying

