Add an options.verboseLogging option to enable/disable logging

[batmat]

hello @void666, what do you think about this? I am already wrapping the download part of our code with logging, so I'd like to disable the one coming from your library.

I'm still leaving the error-related ones on purpose. I'm just trying to remove the logs for the nominal case.

Thanks 😸 !

[coveralls]

Pull Request Test Coverage Report for Build 19

• 8 of 8 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.4%) to 98.361%

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Totals
Change from base Build 13:	0.4%
Covered Lines:	41
Relevant Lines:	41

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💛 - Coveralls

[void666]

@batmat, looks good! However was deliberating whether to use the logger's default logging level instead of adding additional one.

[batmat]

@void666 yeah, I guess indeed if you consider that code a library, this shouldn't try and define/use a fancy logging style/formatting, but leave that to the calling system/global config. But I'm still a Node newbie, so, well :).

[batmat]

\o/ thanks a bunch @void666. Any possibility of a 1.0.1 release or something with this?

Thanks again!

[void666]

Done already @batmat . Thanks for the contribution.