 - Test suite for random iterators
 - Test suite for vector stream
 - Import commentator time estimate code
 - 
 - Everything in tests/TODO

Before meeting:
 - Complete GF2 tests and get them working (BitVector tested implicitly)
 - Write tests for Compose, Permutation, Transpose
 - Add DenseRowsMatrix test to matrix-domain test suite
 - Fix filenames in CVS
 - Updates to Jean-Guillaume's gauss code?
 - Add solver, determinant to Jean-Guillaume's code?
 - Add more pivoting strategies?
 - New Compose implementation?
