Fixed CPU 100% hog at NIODispatcher.
Restores downloads.bak file if core crashes.
Manage keyword and IP ignoring with multiline.
msi installer allow Windows x64 to install.
Failed host browsing will be removed immediately.
Fixed a bug about search result filtering.
Hovering mouse on sources column displays IP address.
Upload panel displays host IP address.
Updated GWebCache and UDPHostCache.