3.136
misc: slightly optimized rebuilding speed of decompressed files by using MoveFile instead of CopyFile if possible
misc: slightly optimized scanning speed of decompressed sets by using hash caches
misc: manufacturer tag isn't mandatory anymore in dtd and won't appear in export if empty
misc: show prompt if external packers are not available
fixed: profiler loading issues when having mess and mame xmls handy and defining mess dats in engine.cfg
fixed: utf boms (byte order marks) let the dat detection fail
