0.49a BETA3 .: Made sure to always use the intern UDP port if both (intern and extern) ports succeed in the firewall test .: Control chars are now filtered out of ed2k-links / received filenames [eklmn] .: Fixed a small bug with handling removed category directories on startup [tHeWiZaRdOfDoS] .: Changed installer to set the currently used shared usage setting as default if available .: Fixed another bug in the new UDP firewalltest, causing it to fail for results on the extern UDP port and for unreachable clients .: Captchas can consist of numbers now too (except 0) .: Fixed a smaller issue with finding and connecting to a buddy .: Buddy search interval has been reduced, to increase the chance to find a buddy without waiting too long .: Changed the Crypt functions a bit for faster processing [netfinity]