v4.0.0-0

• Updated docs. 8172c52
• Minor internal type cleanup. 9e43511
• [breaking] Make Validator fields readonly. 88aa131
• Allow fieldset as element. 83d070a
• Improved docs. 178fd77
• Add note regarding radiobuttons. 5aaca9a
• Updated readme. 3571ac9
• [breaking] To not attempt to extract input value, pass element directly. 93cf86f
• Added checkbox demo. 53b5142
• Removed outdated parts of readme. 712c3f3
• Streamline validator checks. 50e70d8
• [breaking] Retrieve all validators before starting validation. f6e7fc3
• [breaking] Remove support for legacy browsers (See readme). Remove custom CSS class for invalid elements (Use :invalid) instead. 7c969a7
• Revert "Use ES private fields." TS Polyfill causes issues with rollup. 150f2c8
• [breaking] Make validation call private. f61558a
• [breaking] use 'null' instead of 'false' to disable invalidClass. f5290f2
• Use ES private fields. 7994be9
• Fixed demo. 5a4eca9
• Improve internal validator typing. b64dd5e
• Added radio/checkbox demo. c84fbd1
• Moved getValidatableElementValue. 226e2c1
• Added more examples. 2924a46
• Rework demo. d6382cc
• More enhancing underlying element access. 86a47b1
• Started enhancing underlying element access. 7726cf4
• Internal export changes. 7542703
• [breaking] Use named export instead of default. 133d38b
• [breaking] Do not emit bundled IIFE file. Use a bundler like webpack/rollup when consuming this library from now on. bf9df6a
• [breaking] target ES2020. 562d592
• Updated deps. c978866
• Updated deps. 4f673b4

v3.7.2...v4.0.0-0