Supporting Vector and Matrix operations

[kiran-kp]

Would you be open to integrating Shinmera/3d-vectors and Shinmera/3d-matrices? The alternative is to implement all the required operations in this library but that seems unnecessary.

If you're open to this, I can submit a pull request with the required changes.

[longlene]

@kiran-kp Thank you! Let me have a test at first