Release 0.0.3

• Removed listener deregistration (as it's done by zyre.js)
• Refactored zyre-peer.js (again)
• Reverted zyre peer caching as it does not work properly
• Refactored zyre-peer.js

Release 0.0.2

• Added examples
• Added global context caching to zyre peer

Release 0.0.1

Initial release.