Nova 1.8beta

Changes:
> Added basic meta data searching (Audio, Video, etc).
> Fixed a critical Windows 98/Me issue.
> Added the ability to execute files from within the uploads and library sections.
> Can now move the application into a different directory and it will still operate correctly.
> Performance increase for all operations in the library section.
> Added a virtual library to the library section which shows your shared files orgainised into "meta folders".
> Added a popup to direct download eDonkey links.
> Optimised the "more info" popup in the downloads section.
> Re-wrote the uploads section and fixed an upload bug.
> Added a more info popup for the uploads section.
> Added a queue position indicator for queued uploads.
> General memory reduction and performance increase.
> Improved download speed (via GnucDNA).
> Added a generic keyword filter for searching.
> Full Tiger Tree support added (via GnucDNA).
> Fixed a bug where a user sharing over approximately 200 files would cause file loading problems.
> Fixed many small IRC bugs.