Interactive Shell & Support AWS Serverless Architecture Model Termplates!

This release sees further enhancements and functionality for Qaz as well as some fixes in the backend.

What's New!

• Support for AWS Serverless Architecture Model Templates
• New Interactive Shell-Mode (very beta)
  qaz shell --config path/to/config.yml Or qaz shell --config https://some/config.yml
• New deploy/gen time, template function: literal will write a string to the template without evaluating special characters. Eg. {{ cat "somefile.txt" | literal }}.
• More colorful output for some commands

Fixes

• Reduced the number of API calls being made when dealing with multiple stacks during deploy/terminate
• Fixed Parameter support for Change-Sets