update readme:
= 1.2.2 =
* Added: Option to save Instagram hashtags as taxonomy terms (tags, categories, etc).
* Added: Filter on Settings page to allow other plugins/themes to add extra settings fields.
* Added: More of the Instagram photo data is saved to post_meta. props @csenf (https://github.com/csenf/DsgnWrks-Instagram-Importer-WordPress-Plugin/commit/5816ddade00b92fa0975fb47b49ca8467779e2a4)
* Fixed: Better management and display of API connection errors. props @csenf (https://github.com/csenf/DsgnWrks-Instagram-Importer-WordPress-Plugin/commit/6fec092cafc7d241c1b1d75e4a80b42d28eff2d5)