ioSfv pure tcl sfv check

[Ofloo]

# Features
# - Renames badfiles to filename.bad
# - Createst filename.missing when file name is missing
# - Removes filename.missing and filename.bad when a good filename
# is present.
#
# Install
# - Rehash after adding these lines
# [Events]
# OnUploadComplete = TCL ..\scripts\ioSfv\ioSfv.tcl sfvcheck