WilcoSp

Results 3 issues of WilcoSp

based on issue https://github.com/formkit/tempo/issues/56 `is*`, `diff*` and most other functions that use the date function could 1 or more arguments be made optional to allow using the current time (`now`)...

This PR is stacked on PR https://github.com/formkit/tempo/pull/58 The `diff` & `add` function I had mentioned before at https://github.com/formkit/tempo/pull/66#issuecomment-2263626679 This PR adds the following: * `diff` function which takes 1/2 date(s)...

This PR adds several `set*` functions to Tempo and moves the code from addYear & addMonth for date overflow to a separate function functions that will be added: * setMilliseconds...