Add ability to create new posts
Merge pull request #7 from nerab/AddPost

Add ability to create new posts
Raise on error
Convert tags to comma-separated list

Pinboard expects multiple tags=foo,bar separated by comma instead of
the HTTP way of tag=foo&tag=bar. This commit adds conversion of a tag
array to a comma-separated list as per Pinboard API spec.
Merge pull request #8 from nerab/RaiseOnError

Raise on error for Client#delete
Merge pull request #9 from nerab/FixTags

Convert tags to comma-separated list
Add replace, shared, and toread flags
Add Code Climate to README
Bump version
Fix metadata
Make usage of auth_token possible.
Support less Rubies
Merge branch 'auth_token' of git://github.com/badboy/pinboard into badboy-auth_token
Implement #update, #recent and #dates.
Implement tags/get method
Implement tags/rename method.
Implement tags/delete method.
Implement notes/list method.
Implement to_json for posts.
Merge pull request #13 from badboy/more-methods

Implement more API methods