0.0.7 Significant Improvements

I want to bump the gem to 0.0.7 on rubygems so I figured I'd merge in a release. There are a number of changes:

```
0.0.7
-- remove support for Snapi.capability_root
-- Import deep_merge, and deep_merge! methods for Ruby
   core Has class
-- Improve Snapi module API
-- Improvements to Sinatra Extension
-- Sinatra Extension helper with repsonse_wrapper method
-- to_hash method on function now includes and Array of argument
-- utilize default_value if set for a :string argument
-- remove useless regexes from validator
-- Improve spec tests
-- Improve Documentation in README.md
```