Vague error message is shown when invalid password entered during sign up process

[tomwitkin]

There needs to be a more clear description of what is wrong.

Also — is there a limitation of the API in displaying the appropriate error message?

[roundhill]

There's also a typo! 'charcters'

[sendhil]

Moving to 4.0.1.

[sendhil]

Moving to 4.1.