Default type method set to 'static'.
Added package environment. Now assigning scale defaults to this environment instead of globally.
Edited preview_theme() so it actually works.
Better previews in preview_theme().
Fixed incorrect usage of '$' with a nice '[['.
Solarized, solarized dark and sky themes.
Facet title background now same as background for type = 'outer'.
Increase facet title text size.
Darker outer text for 'pale' palette.
Darker 'pale' text.
Removed is_colour() list method.
Stopped exporting functions from second release.
Earth theme.
Carrot theme.
Greyscale theme.
Earth theme.
Fresh theme.
Renamed peach theme.
Improved citrus theme so it doesn't look awful.
Chalk theme.