API 2.0 Release Canidate

Release Candidate for early testing #182

This has now been yanked from Rubygems.org

v1.3.1

See CHANGELOG.md for full details

v1.3.0

See CHANGELOG.md for full details

v1.2.0

See CHANGELOG.md for full details

v1.1.0

See CHANGELOG.md for full details

1.0.0 Release

See CHANGELOG.md for full details

0.0.7

0.0.7
IMPROVEMENTS:
Pete made it clearer to the user if they don't have any droplets or images. [GH-48], [GH-49]

BUG FIXES:
Fix the initial check for authorization after authorize [GH-41]