Things To Do for Poi

Finish HDF
Finish Charts
Add Formulas.
Expose functionality in low level records in higher level API
Implement more record types (for other things ... not sure what this will mean yet).
Implement more record types (for other things ... not sure what this will mean yet).
Add more dummy checks (for when API user's do things they "can't" do)
Add support for embedded graphics and stuff like that.
Create new adapter object for handling MulBlank, MulRk, Rk records.
Add a way to copy sheets.