* fixed -R operation to match the supplied file patterns in all recursed
subdirectories, like PKZIP 2.04 "-p -r" (or PKZIPC 4+ "-recurse")
* handle cases where -x, -R, and -i patterns are mixed
* new example C-Sharp code for using DLLs
* added some directory-search speedups
* fixed bug when encrypting large uncompressible files
* fixed Windows NTFS time problem
* fixed VMS logical name parse problem
* added VMS DEBUG option
* updated VMS help
* fixed selection of files to delete by date
* added -MM option where each input file pattern must match at least one
file and all input files must be readable
* added check for when Zip tries to exceed seek limit in output file
* minor changes to compile with Visual C++ 2005
* added support for Unix FIFOs (named pipes)
* other minor fixes
