some fiddling with documentation. Added Poly type

src/util/mod.rs

@@ -26,7 +26,7 @@ pub fn load_raw(filename: String) -> (Vec<u8>, (u32,u32)) {
     let mut image_buffer = Vec::new();
 
     if pixel_count != data_length as usize {
-        println!("Creating apha channel...");
+        println!("Creating alpha channel for {}", filename);
         for i in img.raw_pixels().iter() {
             if (image_buffer.len() + 1) % 4 == 0 {
                 image_buffer.push(255);