The pickle methods should be classmethods.

The pickle methods are factory methods and as such they produce and save
instances. As factory methods they should be class methods.
Remove incomplete comment
Implement logging in manipulate subpackage

Now, the logging module is used to convey messages to the user.
Basically, print(x) was replaced with LOG.(error|warn|info)(x) as
appropriate. You should call ts.manipulate.setup_console_logging() at
the start of any scripts if you want verbose logging.

 Changes to be committed:
	modified:   timestream/manipulate/__init__.py
	modified:   timestream/manipulate/correct_detect.py
	modified:   timestream/manipulate/pipecomponents.py