[Impact123]

I've made some changes to the file, tell me if this works out for you.

Raw changelog

- Changed prototype of SetFile
   - Removed String formatting
   - Added an optional parameter folder
 - Changed FormatFileName
   - Added folder String
   - Added dynamic pathprefix depending on folder
 - Changed AppendValue
   - Increaded writebuffer to an size of 256
 - Changed CleanFile
   - Increaded readbuffer to an size of 256

Yours sincerely
Impact