Value Types

• The Decoder implementation has been completely reworked to use small-sized value types and less protocols.
  All in all, the implementation complexity has been greatly reduced.
• The Decoder initializer exposes the most used configuration parameters.
• The Decoder now allows random access through keyed containers.
  A new configuration parameter has been added (bufferingStrategy), letting the user control the amount of memory used by the decoder. Currently only .keepAll is implemented. But later on, it will allow great performance usage for CSV decoded through file handles.