Changelog ENG- improved: added recognition of some more file types [Tuxman]
- improved: enhanced eD2k filters in Shared Files; applied by folder, listed as subfolders [Tuxman/WiZaRd]
- fix (o): preventing OP_HASHSETREQUEST by invalid clients [Enig123]
- changed: tiny code changes to reduce C4244 warnings [Tuxman]