Alfred 2.0.4 Build 199

What's new in this version:

- Add in arg /arg as an optional replacement to item arg="" which allows for newlines in the argument and other various xml advantages
- Respect prefix text when using a hotkey passed through to a workflow
- Add in soft failing for incompatible workflows (for future proofing workflows)
- New option to exclude podcasts in Alfred's mini player, only include podcasts which are available and can play
- Change http links to https links for buy.alfredapp.com throughout Alfred's preferences
- Check for write permissions on Alfred 2.app when updating to avoid quiet fail situations
- Perform URL validation in the custom web search configuration and Open URL workflow object configuration (also validates local URL schemes)
- Make Alfred use file type icons instead of file icons on external volumes for increased performance
- Make Alfred more robust when it comes to dodgy and invalid missing fields in OS X metadata results
- Robustness in file navigation view to prevent crash when using two "Browse in Alfred" actions simultaneously in a workflow
- Move filecache into Databases sub folder with other Alfred database files for tidiness
- Refine the photoshop -> ps fuzzy modifiers to not affect other apps
- Respect the "show in default results" tickbox for the iTunes play/pause keywords
- Make the fallback sheet table fields non-editable text as this doesn't actually do anything
- Remove unnecessary logging in file search to make things more efficient
- Find Spotlight Comments in the copy to / move to action folder destination search
- Escape and $ for "Open Terminal Here" action
- Separate preferences script editor Menlo font loading into fixed with font loader
- Default to system font if specified font isn't found to make Alfred more resilient to missing fonts
- When pasting from Alfred's clipboard history viewer, retain the original source app information (icon)
- Better update logic when switching between pre-releases and general releases in the update prefs
- Fix buffer icon upside down issue in certain situations due to icon caching
- Fix minor memory leak in workflows using metadata querier