Rand

https://github.com/scalanlp/breeze/pull/237
Sorry... it turns out I was flying blind vis-a-vis the tests, which you fixed.
The tests are now fixed.

Somehow, testing now needs scala-xml (detached from the scala lib in 2.11) on my IntelliJ.
Somehow, it doesn't seem to need it in SBT... this is mystifying.