* Add reader method for retriving the PageLabels entry from the catalog
* Add writer method for setting the PageLabels entry in the catalog.
* Add creator method for adding page labels for the output file
* Add creator page labels test case
* Minor page labels test case correction
* initial commit to add action support
* Add support for all actions as defined in the specs
* Implement filespec for actions
* Add url filespec test
* update file test
* Implement remarks + add tests