v0.4.1 (2018-12-29)

• Update package dependencies used during development to the latest versions.
• Migrate all tests to pytest. Resolve pytest 4.0 deprecation errors.
• Switch to Xenial Travis build environment.

Fixes

• Use the updated Station API introduced in pydora 1.12.0. (Fixes: #65).
• Implement LRUCache's __missing__. (Fixes: #66).