newLISP v.8.3.1 tk-119 source and Win32 installer

This release improves on communication between and synchronization of threads, which where introduced in version 8.2.0 by introducing semaphores and shared memory access. Processes now can re-map their standard I/O to pipes for communicating with the parent process.

Various improvements and fixes in the area of contexts and programming with contexts. Contexts can be deleted easier and mix-ins are possible when margin contexts in prototype oriented programming. Single functions can be moved/mixed between contexts. Contexts with overwritten MAIN symbols can correctly be serialized.

Various improvements for importing shared libraries and DLLs into newLISP and for passing parameters.

For details see: http://newlisp.org/download/newLISP_83_Release_Notes.html