- corrected lowercase name to spot-remover for some degree of backward compatibility
- use formatted label and cell renderer function in some tools to try them out
- actually implement with_units argument of gwy_set_label_value_format() and gwy_set_cell_renderer_value_format()
- fixed a function name typo
- converted spotremove to GwyFool so that it at least compiles
- renamed complete flag to cleared is_complete
- added helper functions for setting labels and text cell renderers to formatted
- documented the derived units enum