started improving handles
fix test
add handleowner.h
update comments
Merge branch 'handleowner' into handle_improvements
made switch to new handle system
removed obsolete handle-tests
Merge branch 'master' of github.com:voxelinc/voxellancer into handle_improvements
Merge with master
merge with master
Merge branch 'master' of github.com:voxelinc/voxellancer into handle_improvements
Merge branch 'master' of github.com:voxelinc/voxellancer into handle_improvements
merge with master
merge with master
introduce makeHandle()
Merge branch 'master' of github.com:voxelinc/voxellancer into handle_improvements
fixed merge with master
Fix Handle being constructed with nullptr as arg
Merge pull request #563 from voxelinc/handle_improvements

HandleOwner