Changes made from UNP V3.00 to V3.01

- fixed bug in routine for storing relocation items
- rewrote PKLITE routine in another style


Although UNP V3.00 is a complete rewrite, I'll try to mention the most
important changes compared with V2.13..

- added wildcard support
- changed filename processing routines
- added option -a to retry on decompressed files
- added option -c that asks the user before decompressing
- added catching of INT 21 (disabled with -i option)
- added option -v which shows additional information
- changed -l option to l command

- added COMPACK V4.5
- added PROPACK V2.08
- added a COM routine for DIET V1.00
- added an EXE routine for DIET V1.01
- added several versions of EXEPACK
- added severel PKLITE extra compression routines
- Merged LZEXE, KVETCH and PROPACK into one routine
- added TINYPROG V1.0 and V3.6

- fixed many bugs, including the infamous LZEXE bug!