[Taler] torbrowser+wallet plugin service

[Calvin Burns]

I tried to use torbrowser with the wallet plugin and have the following 
problems:
The torbrowser has three predefined security settings: standard, safer, safest.
safest does not work with taler bank but "safer" does.  I set the security level
to "safer".
1. When trying to set the exchange in the wallet plugin to
https://exchange.taler.demo.net the wallet produces an error telling me
"Could not load the status of the term of service Wallet operation
"getExchangeTos" failed"
2. When trying to withdraw KUDOS with the wallet plugin I get the error message

{
  "context": [],
  "cause": {
    "details": {
      "code": 7011,
      "when": {
        "t_ms": xxxxxxxxxxxxx
      },
      "hint": "wallet core not available"
    }
  }
}

Is this a configuration error on my side?

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