Release 0.2.6

- update readme

Release 0.2.5

- add doc comments to defaults

Release 0.2.4

- fix rad_to_deg generic function which had copy / paste error and in…

Release 0.2.3

Fixes mat4 * mat34 multiplications, where the final row was incorrect.

Release 0.2.2

- add quat * quat and quat * vec operators for different combinations…

Release 0.2.1

- add combinations of ref * value, value * ref operators for convenie…

Release 0.2.0

- update readme

Release 0.1.14

- add rotate2d and tau constant

Release 0.1.12

- tidy up Mat43 type

Release 0.1.11

- add fov / focal length conversions