WPA key

[xoseperez]

Originally reported by: David Myers (Bitbucket: brahmafear, GitHub: brahmafear)

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Small issue that probably doesn't require a code change. Changing the default password from 'fibonacci' which also sets the WPA key when in AP mode, the new pwd needs to be at least 8 characters. The code doesn't enforce this, but an 8 char pwd is mandated by WPA. Not sure if you want to just include a warning, force an 8 character pwd, or have the code pad out the pwd to 8 chars.

[xoseperez]

Thanks! Maybe I should add some validation checks in the form (yes, more javascript). Maybe it's a better practice to enforce a good password.

[xoseperez]

Release 1.4.0 enforces a minimum password strength (8 charactes, 1 upper, 1 lowercase and 1 number).