Code cleanup.

Response handler now optional and for Asynch requests also.

Updated readme with new demo code.

Changed bind point to allow multiple services per service client.

Refactoring. Go service demo added. Need to cleanup a lot.

First commit of Go client demo. Compiling, Not working. Should have response sent with different socket like Mongrel2.

Proof reading.

Made caching resources in application scope optional.

removed unneeded zmq properties from handler mixin

Cleaned up the resource registration, got demo tested and working.

Removed any use of Resource class, replaced static method with function

Cleaned up interface and organization of methods of ServiceClientMixin

Update README.md

Update README with refactored code and proper links.

Finished refactoring and adding Demos.