renaming of wrangler interface functions; a number of bug fixes; added editor info to each refactoring command, and made consistent the order of editor and tabwidth in the arguments.
renaming of wrangler interface functions; a number of bug fixes; added editor info to each refactoring command, and made consistent the order of editor and tabwidth in the arguments.

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