v0.8.0 Beta 0 update

This is a work-in-progress release moving towards a v0.8 stable release.

Known limitations at this time:

• Realtime connection recovery is not implemented
• Realtime connection failure handling is not implemented
• ChannelsOptions and CipherParams are not supported when creating a Channel
• Realtime Ping function is not implemented
• Fallback support not implemented
• API compatibility is not guaranteed