{
    "Error retrieving data: %s": [
        "Error retrieving data: %s"
    ],
    "Fair": [
        "Pena",
        "Finos"
    ],
    "Partly Cloudy": [
        "Ligaki synnefiasmenos",
        "Oligon mpountouxla"
    ],
    "The Temperature is %s\\nThe Weather is %s\\nNafpaktos %s": [
        "H thermokrasia einai %s\\nO kairos einai %s\\nNafpaktos - %s"
    ]
}

{
    "Error retrieving data: %s": [
        "Error retrieving data: %s"
    ],
    "Fair": [
        "Pena",
        "Finos"
    ],
    "Partly Cloudy": [
        "Ligaki synnefiasmenos",
        "Oligon mpountouxla"
    ],
    "The Temperature is %s\nThe Weather is %s\nNafpaktos %s": [
        "H thermokrasia einai %s\nO kairos einai %s\nNafpaktos - %s"
    ]
}

Remove double escaping of JSON strings
Remove double escaping of JSON strings

For some reason, it is unneeded and doesn't do as I thought it did.
Use simple escaping of newlines from now on.
