Go into singleton resource mode for user
Following the api
Merge pull request #2 from coffeeaddict/master

Updates
Updated docs
Setup rspec testing
Move authentication around

- Mainly for easier testing
- Perhaps allowing account switches on a running client
Created specs for users
Fixed followings
Added invitations
Merge pull request #3 from coffeeaddict/master

Invitations and specs
Added workspace client
Workspaces without owner slug
Added workspace update/destroy