Carl Lerche d1ec90b3d8 Initial stab at integration tests
At the same time, we started adding a generic error handling concept to
Cargo.

The idea is that every Result gets converted to a CargoError, which
includes all the information that Cargo needs to print out a friendly
human error message and exit gracefully.
2014-03-20 12:12:47 -07:00
..
2014-03-10 17:44:40 -07:00