Refactor WrappedModule#all_methods_for, delete private method all_from_common to Pry::Method.all_from_obj and Pry::Method.all_from_class.
Merge pull request #1083 from yui-knk/refactor-WrappedModule#all_methods_for

Refactor WrappedModule#all_methods_for, delete private method all_from_c...