Search for packages that contain a given class

[maddingo]

The new command class-search lists the packages that contain a certain class, given by its full name

[mthmulders]

Hi @maddingo, first of all, thanks for your contribution. I like the idea, it's very useful, and look forward to including it in a future release of MCS!

Since this is still a way of searching, I feel it would make more sense to have a CLI like this: mcs search -c the.class.i.need, or long version mcs search --class the.class.i.need.

[maddingo]

@mthmulders I still feel that using a new search command is adequate.
What would mcs search -c LogManager log4j do? should it do a search for both an artifact that contains log4j and a library that contains a class Logmanager. Should it be the intersection of both?

Having two distinct search command emphasizes that these are two different searches. What do you think?
Since you have don some significant changes in your code I will redact this PR and re-submit it.

[maddingo]

I will resubmit the feature in another PR due to lot of changes in the target branch

[mthmulders]

I'm sorry for the inconvenience the refactoring may have caused. Perhaps it's easier to propose the changes on a separate branch?

I'll get back to the command/flag matter, hopefully later today.

[mthmulders]

@all-contributors please add @maddingo for code.

[allcontributors]

@mthmulders

I've put up a pull request to add @maddingo! 🎉