Fix doc links (#11)

* Use current docker image

* Fix links in docs

Author: rfuest

.circleci/config.yml

@@ -1,44 +1,34 @@
 # Check that everything (tests, benches, etc) builds in std environments
 precheck_steps: &precheck_steps
-  docker:
-    - image: jamwaffles/circleci-embedded-graphics:1.40.0-cimg
+  docker: &docker
+    - image: jamwaffles/circleci-embedded-graphics:1.40.0-3
       auth:
         username: jamwaffles
         password: $DOCKERHUB_PASSWORD
   steps:
     - checkout
-    - restore_cache:
+    - restore_cache: &restore_cache
         key: v1-{{ .Environment.CIRCLE_PROJECT_REPONAME }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "Cargo.toml" }}
     - run: rustup default ${RUST_VERSION:-stable}
     - run: rustup component add rustfmt
     - run: cargo update
     - run: just build
-    - save_cache:
+    - save_cache: &save_cache
         key: v1-{{ .Environment.CIRCLE_PROJECT_REPONAME }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "Cargo.toml" }}
         paths:
           - ./target
           - /home/circleci/.cargo/registry
 
 # Build crates for embedded target
 target_steps: &target_steps
-  docker:
-    - image: jamwaffles/circleci-embedded-graphics:1.40.0-cimg
-      auth:
-        username: jamwaffles
-        password: $DOCKERHUB_PASSWORD
+  docker: *docker
   steps:
     - checkout
-    - restore_cache:
-        keys:
-          - v1-{{ .Environment.CIRCLE_PROJECT_REPONAME }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "Cargo.toml" }}
+    - restore_cache: *restore_cache
     - run: just install-targets
     - run: cargo update
     - run: just build-targets --release
-    - save_cache:
-        key: v1-{{ .Environment.CIRCLE_PROJECT_REPONAME }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "Cargo.toml" }}
-        paths:
-          - ./target
-          - /home/circleci/.cargo/registry
+    - save_cache: *save_cache
 
 version: 2
 jobs:

src/raw_tga.rs

@@ -14,11 +14,11 @@ use crate::{
 ///
 /// `RawTga` can be used to access lower level information about a TGA file and to access the
 /// raw pixel data. It can be created directly by using the [`from_slice`] constructor or accessed
-/// by calling [`raw`] method of a [`Tga`] object.
+/// by calling [`as_raw`] method of a [`Tga`] object.
 ///
 /// [`from_slice`]: #method.from_slice
 /// [`Tga`]: struct.Tga.html
-/// [`raw`]: struct.Tga.html#method.raw
+/// [`as_raw`]: struct.Tga.html#method.as_raw
 #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
 pub struct RawTga<'a> {
     /// Image data