* initial commit
* used random class
* fixed failing testcases, reverted __init__.py
* fixed failing testcases #2
- passed rng as parameter to ParameterSampler class
- changed seed from 0 to 42 (as original)
* fixed failing testcases #2
- passed rng as parameter to SparseRandomProjection class
* fixed failing testcases #4
- passed rng as parameter to GaussianRandomProjection class
* fixed failing test case because of flake 8