Wished release date: 3. October

"Code quality assurance release"

- Fix bugs all outstanding bugs.
- Give cinit some time, write some documentation and make pre17 the last pre of the 0.3
  serie.
- Give the code out to other developers, request explicit strong critics
   => So even
      "This could be in theory, if Mars is behind Pluto on Sunday evening" bugs
      are out.
