ggragged 0.2.0

New features

Facets gain a strips parameter to control how strips are drawn between panels.
Facets gain an axes parameter to control how axes are drawn between panels.
Facets gain an align parameter to control how panels are positioned within rows/columns.
Added a vignette showing examples of usage in broader context.

Fixed an issue that caused some axes to be rendered incorrectly when using free scales with coord_flip() (#2).
Fixed an issue that caused the package to fail to build (with an “argument is missing” error message) when an older version of ggplot2 was installed.