I've installed your plugin and so far so good. However, I'm having an issue with Woocommerce. Here the steps so you can check it out:
1.- A user tries to login at http://www.mystore.com/my-account/ (default woocommerce "account" page)
2.- He has forgotten his password, so clicks the "Lost password" link. Then, he is sent an email with a link to reset password.
3. Once the mail arrives, the user clicks the link and is lead to a page to reset password.
Here's is the problem. If you enter a password that meets the conditions of your plugin , that is, a strong password with at least 10 characters, with upper and lowercase, a number...then you're good and you can change it.
But if you enter a password that doesn't meet that requirements, the process is not completed and no message is regarding the password requirements (the ones you can see, for example, in the WordPress default login page). The page that is supposed to display that message is not completely loaded.
I can send you a user login so you can test in the store...
Thanks in advance.