[MCL-393] unable to launch 13w23a / Missing required option(s) 'version'

Launcher 0.8.3 fixes this. The new launcher will be downloaded automagically on restart

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trys to launch new snapshot (13w23a in case it doesn't show up on the bug report). here is what i get in the launcher when i launch the snapshot.

YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----

(We'll do this automatically later ;D) ----
Client> Exception in thread "main" joptsimple.MissingRequiredOptionException: Missing required option(s) ['version']
Client> at joptsimple.OptionParser.ensureRequiredOptions(OptionParser.java:399)
Client> at joptsimple.OptionParser.parse(OptionParser.java:389)
Client> at net.minecraft.client.main.Main.main(SourceFile:36)
Game ended with bad state (exit code 1)