Added `any` to list of available higher order methods
* as its name implies this method returns true if any `CAR` of the given `Cons` structure results in a true result from `Function`
* added appropriate test case and updated readme
Added `all` to list of available higher order methods
* as its name implies this method returns true if all `CAR` of the given `Cons` structure result in true when passed to `Function`
* added appropriate test case and updated readme
Added `none` to the list of available higher order list queries
* as its name implies this method returns true only if every `CAR` satisfies `Function`
* added appropriate test case
* restructured README.md