Revert "Testing done"

This reverts commit e49484857c544bf406f8d326e947c09967b8b5b8.
Revert "Bugfixe in earlier code"

This reverts commit 4336b4dfdf480176775ba34b4bbc899d577925bf.
Revert "Integration testing"

This reverts commit 59e2850d0d10cc2eb2de554290370f4356550793.
Revert "Universal solver added to the new interface"

This reverts commit 5f0de4cc31ed24a4d9de01df5cda3622f57c5968.
Revert "Interface coded"

This reverts commit 62ed0e2babcfe4a5ad7093a9639f01d451554961.