Bump version: 1.2.0 → 1.2.1

Bump version: 1.1.1 → 1.2.0

Bump version: 1.1.0 → 1.1.1

Bump version: 1.0.0 → 1.1.0

Bump version: 0.10.0 → 0.11.0

version bump

bump up minor version number

added Models API to the read me

allow multiple Bittles for instance

upped version to 0.6