now scans only allocated memory areas
screen state updated with a routine provided by Petter
Added declarations for some variables used in the debugger
Fixed bug in wcolor(), it wrote dword values to a word array.
again code cleanups
added FredEditor format, introduced some macros to clean up the code
Two Protracker clones added (Noisetrekker and long Protracker)
small irrelevant changes (cleanups)
new sound format SoundMon, added heavy debug output
better detection of invalid modules