Json decoded response

Merge pull request #11 from tsukiro/development

apply json_decode to response

Fix authentication error

Merge pull request #7 from tsukiro/development

fix authentication

Fix errors

Fix params and class name files

Fix params and class name files

New Methods and auth logic

you don't need to create the headers for authentication.

Now, you only need to put the ApiKey and Secret when you need and that's all!!!

Fix Responses

Merge pull request #4 from tsukiro/development

Fix responses

2.1: Merge pull request #3 from tsukiro/development

Fix a lot of things

2.0: Merge pull request #2 from tsukiro/development

Updating dependencies

1.0

Update README.md