* Break single test case class into several test cases.
* Fix broken arch test.
* Make update tests optional (seem to only work for mxcl).
* Add more tests.
* Move fixtures to separate folder.
It just seems to behave strangely with SIGINT. Eg. SIGINT causes tar to exit, but the SIGINT is ignored by our process. This is not the case when used with curl.
The classes better reflect their contents. I'm sure this change may be
contentious, but I am a sucker for trying to create source bases that are easy
to get to grips with and easy to navigate.
brewkit.rb is now a deprecated file.