Add support for OS X
Merge branch 'pullreq12' into hotfix/1.0.4
Bumped version number to 1.0.4
Merge branch 'hotfix/1.0.4'
Merge tag '1.0.4' into develop

1.0.4
Pinned dejavu dependency to v0.4.4 to maintain backwards compatibility to Node.js v0.8.x
Bumped version number to 1.0.5
Merge branch 'hotfix/1.0.5'
Merge tag '1.0.5' into develop

1.0.5
Changed way of retrieving the API object to make it suitable for more than just one API level, prepared code for basic API level
Added 'dirty' counter to implement API caching
Implemented get/setGroupTree() in basic API level
Added API function to find orphaned entries