Add library option for page method.  Fixes #46.
1.0.5
Merge branch 'master' of github.com:segmentio/analytics-wordpress
merge 1.0.5 into svn

git-svn-id: http://plugins.svn.wordpress.org/segmentio/trunk@986769 b8457f37-d9ea-0310-8a92-e5e31aec5664