Add check for existence of function, before trying to call it.
Merge pull request #5 from adam-vessey/7.x

Add check for existence of function, before trying to call it.
Updating default hocr dsid.
xpath change, better hocr
Merge pull request #6 from willtp87/7.x

Updating default hocr dsid.
Merge branch '7.x' of github.com:Islandora/islandora_paged_content into 7.x-release
Updated version number for 7.x-1.1-RC2