bringing docs up to date

src/sprite.rs

@@ -2,8 +2,7 @@ use std::sync::Arc;
 use crate::canvas::*;
 use crate::canvas::managed::handles::{CanvasFontHandle, CanvasImageHandle, CanvasTextureHandle, Handle};
 use crate::canvas::managed::shader::text_shader::GlyphInstance;
-use crate::canvas::canvas_frame::{DrawableTest, Drawable};
-use crate::canvas::canvas_frame::dynhash::DynHash;
+use crate::canvas::canvas_frame::{Drawable};
 use crate::util::vertex::{VertexTypes, TextureVertex2D, Vertex3D};
 
 ///
@@ -34,7 +33,7 @@ impl Sprite {
         }
     }
 }
-impl DrawableTest for Sprite{
+impl Drawable for Sprite{
     fn get(&self) -> VertexTypes {
         self.verts.clone()
     }