Iskren Ivov Chernev

that has roughly the same functionality as watch-pre-run event, so +1

There is this.files and this.filesSrc that get extracted for you by grunt. If you read the code you'll see the proper way to replace/filter files for tasks.

Yes. So I said read the code that extracts files from the config and see how you should change config it so that the code fetches your files, not the...

I agree with @tardyp that support for running a task only on subset of files (namely the changed ones) should be easier for the end user, meaning some more code...

The statement about "all tasks" is just plain wrong. There is `this.fileSrc` in core. Does it work for **all tasks**? No. It works for the tasks that only have source...

Just my 2 cents. All of the outside (surface visible) changes are good, however the stats classes add a lot of noise for not much in return. The idea to...

Can't you clear the pipeline automatically? Is it of any use after such an exception?

There is no such method `clear()` on pipeline object.

Making it closable is a good thing, but I would say it should be a bit more robust. Making every call to pipelined() try-catched is a bit too much, and...

@HeartSaVioR If the client starts using a pipeline, and then continues using the client (without pipeline), clearly he's not interested in the execution of the pipeline, so that should print...