minor changes to improve performance
git-svn-id: https://svn.cs.york.ac.uk/svn/ossmeter/Software/source@907 1b171192-1bc4-4300-84b6-1b6fde2e8ce3
Authored by: ioannis.korkontzelos@manchester.ac.uk 2014-02-22
Parent(s): [d5155f]
Child(ren): [7b21e7]