Add Vector3 test
Add some utils

Signed-off-by: L5D <l5d@revoxgame.fr>
Add vector4 tests

Signed-off-by: L5D <l5d@revoxgame.fr>
Fix assertEquals is ambiguous
Start test on VectorNTest

Signed-off-by: L5D <l5d@revoxgame.fr>
Merge pull request #2 from L5D/master

Vector3Test and Vector4Test