Release 0.0.8 Distro support: * add some FreeBSD support * add linux mint support * add some redhat support * add some alpine support New tool versions: * GHC: 8.4.1, 8.4.2, 8.6.4, 8.6.5, 8.8.1 * cabal: 3.0.0.0 Commands and API: * new 'changelog' subcommand added * 'uprade' subcommand is tweaked': - add --inplace flag - by default install into BIN_LOCATION * new subcommand 'print-system-reqs' * 'compile' subcommand is now hidden from help menu (since it's only for power-users, use 'ghcup -v --help' to show all commands) * 'list' subcommand is overhauled and 'show' removed * allow to overwrite the distro detection system (see 'ghcup -v --help') * allow to overwrite meta download and meta version files via GHCUP_META_DOWNLOAD_URL and GHCUP_META_VERSION_URL Fixes: * clean up interrupted download cache properly * send debug output to stderr only * fix bug in bootstrap-haskell causing odd errors Other: * introduce major version symlinks (e.g. 8.6 -> 8.6.5) and add x.y tags * use GHCUP_INSTALL_BASE_PREFIX in bootstrap-haskell * don't reinstall cabal-install from source in bootstrap-haskell * various usability improvements in bootstrap-haskell * add bash-completion script * add manpage support when using man-db