scrapy/scrapy — pull request #148 by tonal (2012-06-19 15:13:09+00:00)
Title: Add launcher class to config V3

Custom launcher class need for invoke custom commands.
http://groups.google.com/forum/?fromgroups#!topic/scrapy-users/cur2vGhdxbg/overview

First part for 143 pull request
https://github.com/scrapy/scrapy/pull/143