Initial release version

* Code cleanup
* Fix some TODOs
* Reduce heap allocation use and replace with arena allocation

src/test.odin

@@ -2,12 +2,13 @@ type Vec2: struct {
 	x, y: f32;
 }
 
-
 print_string_array :: proc(args: []string) {
 	args[0] = "";
 }
 
 main :: proc() {
+	x := 0;
+
 	thing :: proc(n: int) -> int, f32 {
 		return n*n, 13.37;
 	}
@@ -15,4 +16,5 @@ main :: proc() {
 	thang :: proc(a: int, b: f32, s: string) {
 	}
 
+	thang(thing(1), "Yep");
 }