Converting job arguments using Json.NET instead of `TypeConverter`

| Argument type | TypeConverter | Json.NET
| --- | --- | ---
| Boolean | :white_check_mark:  | :white_check_mark:
| Byte, SByte | :white_check_mark: | :white_check_mark:
| Char | :white_check_mark: | :white_check_mark:
| Decimal | :white_check_mark: | :white_check_mark:
| Single, Double | :white_check_mark: | :white_check_mark:
| Int16-64, UInt16-64 | :white_check_mark: | :white_check_mark:
| String | :white_check_mark: | :white_check_mark:
| TimeSpan | :white_check_mark: | :white_check_mark:
| DateTime | :white_check_mark: | :white_check_mark:
| DateTimeOffset | :white_check_mark: | :white_check_mark:
| CultureInfo | :white_check_mark: | :white_check_mark:
| Enum | :white_check_mark: | :white_check_mark:
| Guid | :white_check_mark: | :white_check_mark:
| Uri | :white_check_mark: | :white_check_mark:
| T[] | :x: | :white_check_mark:
| Collections | :x: | :white_check_mark:
| Dictionaries | :x: | :white_check_mark:
| Custom Struct | :x: | :white_check_mark:
| Custom Class | :x: | :white_check_mark:
| All other types supported by [Json.NET](http://james.newtonking.com/json) | :x: | :white_check_mark: