With important backbone support from Mr.Burger all tasks were implemented.
Sources are here:
o) diamond in bucket of rocks is task #4.306 (from prefix to postfix)
o) #17.6 task implemented in PicoLisp Prolog
o) some tasks ignored
o) PDF book in repo (russian)
o) tested in Linux, *BSD, Solaris, AIX, HPUX, Cygwin
o) Comments, patches, objections and polish stuff are welcome.
Alexander Burger (author of PicoLisp) is free for hiring.
CV available by request.http://software-lab.de