added profile finder to Partition selection
removed limit on number of Fats
fixed buffer overflow in drive mapping routine
added test for standard hard disk driver unit numbers
? added Partition specific Geometry setting
? add docs for above

Add warning about Letter Assigners in DOS and Windows
 Force LogOnly and set size


Geometry needs to be set to match Partitions settings.

-B -B -B   Initialized not Cleared unless Erase.

Add advisories if no BIOS Support.
Add Pre-IO.SYS Loader. Uses C:\IO-.SYS
Add Pre-IO.SYS Loader Documentation.