Smarter uuid generator.
defaultPrefixes for the uuidGen function.
Conformism.
Merge branch 'master' of github.com:substance/util
Fix regression.
Make substance errors more conform to built-in errors.
Default error code.
Another iteration on util.Events.

- util.Events.Listener provides only listenTo and stopListening.
- triggerLater allows to postpone the trigger after the current execution
Module configuration file.
Generated package.json
Fix regression.