v0.3.0

What's Changed

• 75 allow multiple decode single value by @minghuaw in #77

1. Updated serde_amqp to 0.2.1 which introduced breaking bug fixes
   1. Array<T> deserializes a single standalone instance of T (one that is not encoded inside an Array) into an Array of one element (#75)
   2. Fixed IoReader::forward_read_bytes and IoReader::forward_read_str not clearing buffer after forwarding
2. Breaking changes
   1. Receiver no longers checks whether local and remote SenderSettleMode are the same. It now simply takes the value given by the sending link.
      1. Removed ReceiverAttachError::SndSettleModeNotSupported
   2. Set the link credit to zero before Receiver sends out a closing detach.
   3. Removed DetachError::NonDetachFrameReceived error. Non-detach frame received while detaching will simply be logged with tracing::debug and then dropped
3. Added Service Bus example

Full Changelog: v0.2.7...v0.3.0