added a simple wrapper class for memory mapped files
added a stub class implementation for a file chunking facility (finding chunk boundaries)
added a compression function CompressMem2File to compress a memory buffer directly to a file handle
added a logging target for utility functions (used in MemoryMappedFile class)
added a generalized processing worker facility to chunk, compress and hash files
adapted code that uses the spooler classes
added a simple debug program to test the spooler functionality while developing (subject to be removed)
code cleanup and reorganization
removed fifos from spooler_definition string and added a tmp-directory to it
debugging various minor issues