Vapor 0.8

New:

• Validation is here! Check it out in the docs.
• Add vapor self-update command to CLI.
• Code of Conduct
• Issue templates
• README

Better:

• Updated to 05-03 snapshot.
• Updated to latest Hummingbird sockets.

Fixed:

• Fixed a bug where weak session identifiers could be created.
• Hound CI should stop complaining less.
• Project wide spacing is now 4 spaces.
• Timestamp memory leak.