Added 'text/ruby' to the list of MIME types.
Making sure the parameters aren't GC'd before the function is done.
This function was mysteriously lost in the merge.
Note to self, switch to the new TracePoint API.
Making sure to only keep track of valid URLs.
Removed the unnecessary commented out old methods.
No longer stopping twice on the same line with multiple calls.
Now setting the safe mode to 2. We may want to increase this.