Add a countCopies() method to Works

Quite handy, really. Also this commit comes with passing tests.
update the version to 1.1.10
Merge pull request #128 from nla/hr-countCopies

Add a countCopies() method to Works, looks good.
Add extra try/catch for filesize as it occassionally throws an uncaught exception.
Bump pom version.
Bump pom version.
Merge pull request #131 from nla/ti_fix_filesize_exception

Fix filesize exception, merged.
merge latest changes from master branch.