a TON of stuff and changes

src/blur.rs

@@ -6,6 +6,14 @@ pub struct Blur {
     row_buffer: Vec<f32>,
 }
 
+impl Clone for Blur {
+    fn clone(&self) -> Blur {
+        return Blur {
+            row_buffer: self.row_buffer.clone(),
+        }
+    }
+}
+
 impl Blur {
     pub fn new(width: usize) -> Self {
         Blur {