WP Term Metadata Plugin for retrieving and manipulating metadata of term objects. Metadata for
an object is a represented by a simple key-value pair. Objects may contain multiple metadata
entries that share the same key and differ only in their value.
= Plugin provides new API functions:
update_term_meta() – Update term meta field based on term ID.
add_term_taxonomy_meta() – Add meta data field to a term based on taxonomy name.