coconatfly v0.2.1

• cf_meta() gets a MoreArgs argument to pass on to subsidiary functions for
  each dataset
• Using this cf_cosine_plot() and friends now prefer malecns foreign types
  (flywireType, mancType) when available and co-clustering with another dataset
  by @jefferis in #27
• cf_meta(): new keep.all argument keep all columns, not just shared columns
  by @jefferis in #30
• support for min_datasets in cosine clustering
  by @jefferis in #31

Full Changelog: v0.2.0...v0.2.1