Hx-requests

Fix
* Move js vars in messages so that they are not global ([`a9e0370`](https://github.com/yaakovLowenstein/hx-requests/commit/a9e0370de1535b9fa404f746891495493efc02a4))
* Change level to tag in hx messages ([`7111e22`](https://github.com/yaakovLowenstein/hx-requests/commit/7111e22dc87debde68b9448213cfe80be5384c69))
* Remove nested hx messages settings ([`046e8e2`](https://github.com/yaakovLowenstein/hx-requests/commit/046e8e2059a68b590ebe7a4832da4f800ea8b628))

Fix
* Fix show_messages bool not being used when form is invalid ([`a16c21c`](https://github.com/yaakovLowenstein/hx-requests/commit/a16c21c96dbf2c74d8df93320c6a7d3e4c1f509c))

Fix
* Fix bug in messages.html was appening alert twice ([`e5db88f`](https://github.com/yaakovLowenstein/hx-requests/commit/e5db88f493b133471bf2cbce0210e73d1e74a614))
* Fix bug in hx_requests that not checking self.show_messages ([`3749519`](https://github.com/yaakovLowenstein/hx-requests/commit/37495191d3c52b634cb0c2e8b7295edb4fb7facc))
* Add to error message for not having message_tags defined ([`59cb447`](https://github.com/yaakovLowenstein/hx-requests/commit/59cb447f6307ff32a7e783a012b6783fe2a127fa))

Fix
* Fix bug in init of HXMessages ([`7f9367d`](https://github.com/yaakovLowenstein/hx-requests/commit/7f9367da9c093ca220f956b52ed3d1ee33997095))

Fix
* 🐛 in trying to use dynamic functions for types of messages ([`56a5604`](https://github.com/yaakovLowenstein/hx-requests/commit/56a5604ca5f35d8459717970096193e321bfab84))

Fix
* Fix bug in hx_messages ([`9006a89`](https://github.com/yaakovLowenstein/hx-requests/commit/9006a89c08782be0c5439d709007ba78a6c9f338))