def locate_slugins
      Gem.refresh
      (Gem::Specification.respond_to?(:each) ? Gem::Specification : Gem.source_index.find_name('')).each do |gem|
        next if gem.name !~ PREFIX
        slugin_name = gem.name.split('-', 2).last
        @slugins << Slugin.new(slugin_name, gem.name, gem, true) if !gem_located?(gem.name)
      end
      @slugins
    end
def locate_slugins
      Gem.refresh
      (Gem::Specification.respond_to?(:each) ? Gem::Specification : Gem.source_index.find_name('')).each do |gem|
        next if gem.name !~ PREFIX
        slugin_name = gem.name.split('-', 2).last
        @slugins << Slugin.new(slugin_name, gem.name, gem, true) if !gem_located?(gem.name)
      end
      @slugins
    end
Find all installed Pry slugins and store them in an internal array.