downloader for tiddlywiki editions
twdl: downloads the latest empty TiddyWiki and saves in the current directory.
Usage:
twdl [-e] [-p] [-o]
OPTIONS:
-e download current empty editions as `empty.html`.
-p download prerelease empty edition as `empty-prerelease.html`.
-o opens the downloaded wiki in browser.
If no options are given, a the gui will open.
