added type information to atom operators; TODO: re-check this module, and document what it actually provides.
added type information to atom operators; TODO: re-check this module, and document what it actually provides.


arcusfelis/wrangler,prowessproject/wrangler,bsmr-erlang/wrangler,tdb/wrangler,arcusfelis/wrangler,andrzejsliwa/wrangler