- Fix arch detection bug in MacOS with coreutils (stefanmaric#15, tha…

…nks @ddlees)

- Document decisions around architecture detection
- Add support for arm64, ppc64l, and s390x arch detection

- Fix self-upgrade failing due to typo

  - If you upgraded to the 0.7.0 already, you will need to run the install script again

- Warn users about existing go installations

- Improve self-upgrade script
- Improve previous installation detection on g-install
- Make self-upgrade throw if g was not installed via g-install
- Add alias collision detection and setup helper (stefanmaric#11, thanks @alvinmatias69)
- Add `download` and `set` commands (stefanmaric#12, thanks @feualpha)
  * BREAKING: Remove the `--download` option
- Add Makefile with lint and format targets for better DX
- Fix shellcheck lint errors
- Format source code using make format
- Improve and update docs to reflect latest contributions

- Make g POSIX compatible and use `sh` instead of `bash`

- Cleanup and normalize `g` code
- Make g-install POSIX compatible as well
- Fix g-install breaking on envs without $SHELL
- Fix g breaking when using non-GNU `wget`
- Add handling of misconfigured $GOPATH/bin
- Add support for ash, dash, csh, and tcsh to g-install
- Fix user input source for g-install
- Fix and normalize error logging
- Fix POSIX syntax error on BIN_DIR check
- Fix `stty` command breaking on MacOS
- Fix version listing broken with BSD version of `find`
- Fix IFs using `command` exiting the script due to errexit
- Update docs to reflect latest changes and update roadmap

- Add support for listing and installing unstable versions

- Prevent bugs in config files without final newline
- Ensure the modified PATH is exported on bash and zsh
- Prevent multiple selection of the same shell in g-install
- Improve the --quiet modifier
- Normalize messages styles and wording
- Support double-dash to signal end-of-params
- Tweak README file
- Offer to install latest go version after installing g
- Install requested version when `g run` cannot find it. See stefanmaric#3
- Warn about installing on a non-default path. See stefanmaric#5
- Add goenv to the alternatives list on README
- Add instructions for removal on README
- Make the detection of previously installed g stricter

- Improve handling of unstable versions

- Implement proper non-interactive mode for install script
- Improve the install script to also double as updater
- Add self-upgrade command
- Document how to upgrade on README

- Improve documentation

- Add install script
- BREAKING: short option for `--non-interactive` went from `-i` to `-y`
- Improve logic to check for valid download URLs
- Improve code style and good practices
- Clear Go dist files before activating new version
- Place versions dir inside `$GOROOT` instead of `$GOPATH`
- Use symbolic links for go binaries, instead of hard links
- Fix typo in usage docs by Angel Perez <iAngel.p93@gmail.com>

Initial release 0.1.0