Fix imports

src/funs/test/test_common.rs

@@ -1,4 +1,4 @@
-use common::*;
+use funs::common::*;
 use angle::{Radians, Degrees};
 use vec::{Vec2, Vec3, Vec4};
 

src/funs/test/test_relational.rs

@@ -1,5 +1,5 @@
+use funs::relational::*;
 use vec::*;
-use relational::*;
 
 #[test]
 fn test_boolv2() {

src/test/test_quat.rs

@@ -1,7 +1,7 @@
+use funs::exponential::sqrt;
 use mat::*;
 use quat::*;
 use vec::*;
-use funs::exponential::sqrt;
 
 // TODO