4.0.0

What's Changed

• Fix fish shell (de)activate by @x0id in #460
• Fix sh script (de)activate by @x0id in #461
• shfmt and shellcheck kerl and bash completion scripts by @paulo-ferraz-oliveira in #463
• shellcheck and shfmt generated files by @paulo-ferraz-oliveira in #464
• Trim kerl list releases by @paulo-ferraz-oliveira in #465
• Bury dead code by @paulo-ferraz-oliveira in #466
• Fix "kerl deploy not working" by @paulo-ferraz-oliveira in #469
• Fix csh activate/deactivate code, add test suite by @x0id in #470
• Fix "no whitespace before ps output" by @paulo-ferraz-oliveira in #474
• Try to make it easier to maintain for packages (and distros) by @paulo-ferraz-oliveira in #471

Full Changelog: 3.1.0...4.0.0