Fixed a name uniqueness snag
Benchmarks

not impressive at all :|

```
> valium-bench/run
[info] Compiling 1 Scala source to /mnt/data1/Work/Workspace/dev-2.11/valium/tests/benchmarks/target/scala-2.11/classes...
[info] Running valium.bench.complex.ComplexBenchmark
::Benchmark FFT.Scala Complex::
Parameters(data size = 2^ -> 4): 11.9418295

::Benchmark FFT.Valium Complex::
Parameters(data size = 2^ -> 4): 11.818757100000001

::Benchmark Ops.Scala Complex::
Parameters(data size = 2^ -> 14): 0.1461588

::Benchmark Ops.Valium Complex::
Parameters(data size = 2^ -> 14): 0.09300530000000001

```