New columns for the pens

[RSS new | Dip Pen Lines — Nib and Tip Geometry]

Pens have always been treated a bit as an afterthought here on FPC. There really isn't much you can do with them apart from pairing them with an ink for a currently inked entry. But this is about to change! As a first step there are now four new columns: Material, trim color, filling system, and price.  These columns will automatically show up when you start filling them in: ![pens edit form](https://fpc....