inkarkat/argtextobj.vim — pull request #1 by UnrealQuester (2014-04-29 13:31:37+00:00)
Title: Autoload, configurable mapping, and helptags

I figured you might be interested in this version. While it will probably change nothing for you, other might find the original plugin lacking and go look for forks on github just like I did.
The changes include moving big parts of the code to autoload/, adding a configurable mapping, and a help file.