Add abs for Vec3
Fix comment
Improve coersion to Vec3

Using hasattr("x") to check for vector like object.
Using hasattr("__iter__") to check for list -- this should be improved
because it includes dicts and shouldn't.
Add make_ident(), is_ident(), and __eq__()
Add dot product
Add lerp and nlerp, still needs tests
Add rotate_vec() and to_euler_rad()
Add note about numpy.
Merge pull request #16 from olsoneric/updates

Updates