Thanks to Daniel James for his help with incorporating this library files into the Boost Git repository.
+Thanks to James E. King III for integrating this library with Boost's Continuous Integration (CI).
+
Thanks to David Maley for sharing source code form his inspiring work on emulating contract programming and subcontracting in C++ in __Maley99__.
Many thanks to Thorsten Ottosen for his work on the __N1962__ proposal (and its previous revisions) and for clarifying the proposal requirements directly with the library authors when needed.