Added stubs for IGistCommentsClient
Added failing tests
Added ApiUrls, updated gist- and comment id to be strings, added failing tests
Implemented all gist comment methods
Fleshed out the GistComment model
Added XML documentation to public methods
Minor adjustments to the API methods
Added observable clients for gist and gist comments
Fixed minor namespace and whitespace issues
Merge pull request #252 from khellang/feature/gist-comments

Gist Comments API