Fixed - thing association in create_property [Issue 8](https://github.com/datacentricdesign/dcd-sdk-python/issues/8#issue-875277794)
0.1.15
Added - `connect` param on Thing for loading Thing without connecting MQTT - fixes on read property so that it works for both properties and shared properties
0.1.13
Added - Management of shared properties
0.1.12
Fixed
- log folders and file names without colons - env var for token validity