0.6.0

Fixes:

• Introspection of dummy parent node failed: #46
• Introspection does not include peer, introspectable and properties interfaces: #51
• Use ordinal string comparison: 1b51fec
• Fix completion race (NullReferenceException in TransportSocket): #42
• Fix deserialization throwing due to matching multiple fields: #44

Features:

• Support mono enum deserialization: #45
• Add ConnectionOptions to support connection tunneling: #33, #34
• Support direct connections without intermediate bus: #39