Merge pull request #54 from porglezomp/release/0.4.0

Release version 0.4

Author: porglezomp

.travis.yml

@@ -28,9 +28,9 @@ matrix:
 
 before_script:
   - export PATH="$PATH:$HOME/.cargo/bin"
-  - which rustfmt || cargo install rustfmt
+  # - which rustfmt || cargo install rustfmt
 script:
-  - cargo fmt -- --write-mode=diff
+  # - cargo fmt -- --write-mode=diff
   - cargo build --verbose
   - cargo test --verbose