v2.3.1

• Update README Markdown to render correctly
• Fix invalid order of shell redirections
• Improve the setup script
• Make testing easier with the introduction of the DEBUG variable
• Fix invalid behaviour of goat link
• Introduce a deleteprefix option
• Use TEST_PATH instead of GOAT_PATH in ./test
• Let the delete command take more than 1 argument
• Add .bashrc if it's missing in during setup
• Minor style updates & typo fixes