function renaming; tidied up the order to Editor/Context and Tabwidth; added more interface functions.
function renaming; tidied up the order to Editor/Context and Tabwidth; added more interface functions.

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