Started testing multiprocessing.
Merged. Omega still needs to be fixed.
Fixed Omega. Maybe.
removed .idea from head.
EigenvalueSolver first implementation and .gitignore changed.

- EigenvalueSolver implemented in order to get the eigenvalues and
  -vectors.
- .gitignore changed in order to get rid of the .idea folder.
Merge remote-tracking branch 'upstream/master' into matt