Rename from Picop to Picopackage

test/test_helper.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
 $LOAD_PATH.unshift File.expand_path("../lib", __dir__)
-require "picop"
+require "picopackage"
 
 require "minitest/autorun"

test/test_picopackage.rb

@@ -2,9 +2,9 @@
 
 require "test_helper"
 
-class TestPicop < Minitest::Test
+class TestPicopackage < Minitest::Test
   def test_that_it_has_a_version_number
-    refute_nil ::Picop::VERSION
+    refute_nil ::Picopackage::VERSION
   end
 
   def test_it_does_something_useful