implement Page#versions

README.md

@@ -250,9 +250,9 @@ Get the latest version of the given human or canonical page name:
     vsn.id
     # => '3ca43e12377ea1e32ea5c9ce5992ec8bf266e3e5'
 
-Get a list of versions for a given canonical page name:
+Get a list of versions for a given page:
 
-    vsns = gollum.page_versions('page-name')
+    vsns = gollum.page('page-name').versions
     # => [<Gollum::Version, <Gollum::Version, <Gollum::Version>]
 
     vsns.first.id

lib/gollum/page.rb

@@ -74,6 +74,15 @@ module Gollum
       end
     end
 
+    # All of the versions that have touched this Page.
+    #
+    # Returns an Array of Gollum::Version.
+    def versions
+      @wiki.repo.log('master', self.path).map do |v|
+        Version.new(v)
+      end
+    end
+
     # Find a page in the given Gollum repo.
     #
     # name - The human or canonical String page name to find.

test/test_page.rb

@@ -26,6 +26,12 @@ context "Page" do
     assert_equal 'Mordor/Eye-Of-Sauron.md', page.path
   end
 
+  test "page versions" do
+    page = @wiki.page('Bilbo Baggins')
+    assert_equal ['5bc1aaec6149e854078f1d0f8b71933bbc6c2e43'],
+      page.versions.map { |v| v.id }
+  end
+
   test "no page match" do
     assert_nil @wiki.page('I do not exist')
   end