Merge pull request #77 from fadler/fadler_dev

Fadler dev
Merge remote-tracking branch 'origin/vadler_dev'
[VA] {bugfix} I70 - flashlight position

#70 possible fix: have to update every item in every frame and update
rayhandler every frame(instead of every 2-3 frames). Fixes issue, but
might affect performance.
[VA] {refactoring} new unit tests

added a few new unit tests
Merge

Merge
Merge pull request #79 from fadler/master

merge