Merge pull request #76 from bvssvni/master

Added `mat3x2_det`
Merge pull request #77 from bvssvni/master

Added `mat4x3_det`
Merge pull request #79 from bvssvni/master

Added `mat3_det`
Merge pull request #83 from bvssvni/master

Added `mat3x2_inv_det`
Merge pull request #84 from bvssvni/master

Added `mat4x3_inv_det`
Merge pull request #85 from bvssvni/master

Added `mat3_inv_det`
Merge pull request #89 from bvssvni/master

Added `mat4x3_inv`
Merge pull request #90 from bvssvni/master

Added `mat3_inv`
Merge pull request #91 from bvssvni/master

Added `mat3x2_inv`
Merge pull request #93 from bvssvni/master

Added `vec4_dot`
Merge pull request #95 from bvssvni/master

Added `vec4_square_len`
Merge pull request #97 from bvssvni/master

Added `vec4_scale`
Merge pull request #100 from bvssvni/master

Added `vec4_len` and `vec4_inv_len`
Merge pull request #102 from bvssvni/master

Added `vec4_normalized`
Merge pull request #104 from bvssvni/master

Added `vec4_normalized_sub`
Update README.md
Update README.md
Merge pull request #106 from bvssvni/master

Added `row_mat2x3_mul_row`
Merge pull request #119 from bvssvni/master

Added `row_mat2x3_mul`
Update README.md