Ignore swap files.
Code clean-up.
Start factoring out Householder matrix generation code.
Can now form the bulge on the bottom.
Finish refactor Householder matrix generation.
New test matrix.
Can now chase bulge in both directions!
Fix the bulge generation (had vector ordering error).
Improve some comments.
Updated README - this is educational too!
Reformat chase_bulge bound checking
Chasing backwards doesn't yet work...
Fix regression for nshifts>1.
Various code changes.