first workable version

Author: jwu

README.md

@@ -4,7 +4,11 @@ Yet another gl-matrix but smaller (without SIMD) and faster (use Hidden class in
 
 ## Why?
 
-TODO
+  - Bug fixes compare to gl-matrix.
+  - More math methods compare to gl-matrix.
+  - Use row-major matrix for all calculation.
+  - Use hidden class compare to Float32Array for fast data access and fast create.
+  - Remove SIMD for smaller footprint.
 
 ## Install