SABnzbd 0.4.6 Final is released

[shypike]

New maintenance release.

Features

    * "No duplicates" option (Do not download an NZB whose name is already present in the backup folder)
    * Option to choose between transposing or removing illegal file name characters
    * Restore the "auto-disconnect" option
    * Keep Windows awake while downloading/post-processing
    * Updated par2 and unrar for OSX
    * Make ionice optional and allow parameters for it (Linux)
    * Prevent change of download_dir and cache when queues not empty.

Bug fixes

    * Properly close server connections. (This should prevent servers from complaining about "too many connections" after pauses and empty queues.)
    * Removed warning for correct, but empty RSS feeds
    * Restore support for rar's with .nnn extensions
    * Problem with deleting nameless files from queue
    * Improve prevention of duplicates in RSS feeds
    * Logging problem in OSX
    * Consider semicolon in file names to be illegal and replace/remove it