message: Update the elf2tab version in the installation instructions.
  The static linking setup depends on a feature introduced in 0.4.0.
diff: @@ -20,7 +20,7 @@ This project is nascent and still under heavy development, but first steps:
  1. Install `elf2tab`.
  ```bash
  - cargo install -f elf2tab --version 0.3.0
  + cargo install -f elf2tab --version 0.4.0
  ```
  1. Add dependencies for cross-compilation.
  