0.2.21
Don't filter price and image actions as they are already handled by the config.
Update ignore list.
Remove winson dependency.
Fix #23.
Added spec for importing and exporting SEO product attributes.
Export categories. Closes #24.
Add info on default values in usage. Refs #16.
Add language headers for all base and SEO attributes. Fixes #21.
For now always sync SEO attributes.
Give more meaninful SKU values.
0.2.22
Update generated code and runtime dependencies.