• added support for RIFF .avi files
• fleshed out parsing ui, made progress on node editing, moved edit/test panels to notebook pages to reduce clutter
• the video renderer now initialises off the gui thread, which should reduce some video browsing chunkiness
• trying to save a session that would overwrite another (from the same name) now throws up a yes/no warning
• reintroduced '--no_daemons' and '--no_wal' to the new command line argument parser
• you can now set the default tag service for new search pages under the file->options->tags page
• since it can now be anywhere, added 'db directory' to the file->open menu
• fixed a build capitalisation issue that was making the windows frozen exe release crash when trying to run from source
• the 'too many redirects' error message is expanded to print the url called and its redirect request
• errors from trying to delete files in use by another process will no longer make popups--they'll just write a note in the log
• improved how some errors are written to the log
• misc fixes