Fix attachment data retrieval.
Implement attatchment adding support.
Remove unnecessary null check.
Add Kyle Chaplin as author
Update readme with new add attachment functionality.
Update readme with new add attachment functionality.
Maintain convention by overloading the method post. Slight refactor to avoid ambiguous method compile-time error. Voting/Issue Creation/comments/attachments were retested.
Overload..
Merge pull request #4 from chaplinkyle/master

Implement adding attachment support.