v0.10.0

Changed

• Rewrites networking, Merkle sync is now non-blocking on both browser and server
• Adds experimental WebRTC gossiplog module
• Better support for concurrent mergeable values. Adds tracking of unique branches in GossipLog
• Handle undefined in range expressions and action arguments (undefined will be dropped in objects, or replaced with null in arrays)
• Renamed export() to getMessages() in GossipLog
• Fixes issues with experimental wallets