Minor fixes on error body type and docs

• Always use string for HTTPError.body
• Fix small typos in docs

Typescript support and add new endpoints

v3.1.5

Bump v3.1.5

Deprecate apps usage and update dependencies

Merge pull request #25 from zeyneloz/deprecate-apps

Remove `apps` usage from Client.

Implement new endpoints

• Remove initial body restrictions on notification initialization.
• Use only postBody attribute of notification for editing parameters.
• Deprecate unused methods.

Update dependencies

v1.2.0

Update outdated packages

v1.1.1

1.1.1

v1.1.0

1.1.0

Add missing optional parameters and update packages

v1.0.3

1.0.3

Add mocha tests

Merge pull request #5 from j05u3/patch-1

Notification channel

v1.0.1

1.0.1