Provide more warnings around use of this format. Closes #111 (#121)

Author: eve-mem

README.md

@@ -29,7 +29,7 @@ path (required):     outfile ~ name of file to write to on local system (SD Card
         
 format (required):   padded ~ pads all non-System RAM ranges with 0s
                      lime ~ each range prepended with fixed-size header containing address space info
-                     raw ~ concatenates all System RAM ranges (warning : original position of dumped memory is likely to be lost)
+                     raw ~ concatenates all System RAM ranges (warning : original position of dumped memory is likely to be lost therefore making analysis in most forensics tools impossible. This format is not recommended except for advanced users)
 
 digest (optional):   Hash the RAM and provide a .digest file with the sum.
                      Supports kernel version 2.6.11 and up. See below for