Minor fix for export to image based formats - thx mariner :)
Save file , set length=0 before writing
New save code simplified - thx xylographe  :)
Set the ZIP version automatically.
batch files: check if the binaries exist first.
Updated change log
Fixed type
Hardcoded correct encoding for SCC + ItunesTT in batch conver/cmd line convert
Minor performance improvement for fix common errors