Summary
- tuned;
- clarified scope of "serial" and "numa_index" within database;
- clarified signature: allow more general init, e.g. from existing database;
- clarified signature: allow to provide session_heaps by different means, e.g. from tmp directory or alternative session structure;
- tuned;
- simplified somewhat pointless error message (see also 0189fe0f6452);
- clafified signature: simplify object-oriented reuse;
- revert pointless 375c6b9ce9ea: overall thread context is already uninterruptible (see 54ac957c53ec);
- tuned whitespace;
- merged
- Fixed a presentation error
- Importation of basic group theory results, due to Jakob von Raumer from his AFP entry Jordan-Hölder Theorem