ignore meteor build artifacts
export MadEye global
Logger.setLevel now dynamically sets the level in Meteor.

I think this commit will not work outside of meteor;
I need to find a way to include the MadEye variable in that case.
Cleaning up, and initial work for node programs.
Set levels individually, dynamically.
Fixing case when onError is null.
Handle error messages better.
Passing msgs as separate args for onError.