Fakku Downloader

I got bored and wanted to gain some knowledge in golang.org.

Source: http://pastebin.com/LdqivMxM
Binary (Linux): https://drive.google.com/file/d/0B0TJrlKcs17XYUk1dnI3YWtoNTg
Binary (Windows): https://drive.google.com/file/d/0B0TJrlKcs17XZTVTM253WlctME0

Usage:
cmd: browse directory, type in 'fakkudl.exe URL'
terminal: fakkudl URL

Example URL:
fakku.net/manga/the-wash-wife-english

Files get saved to User/Home Directory/Fakku/Title

Seems nice language, this Go thing.
I've seen quite a few languages pop up within 4-5 years. Especialy after the explosion of the internet.
Is it worth learning this one, or should I just stick with python?