Split with npstreams and quality-of-life improvements

0.4.8

FIX: added CIF files to setup.py

Simplified structure subpackage and better streaming image analysis

Merge pull request #19 from LaurentRDC/master

Release 0.4.7

More robust image alignment via masked normalized cross-correlation

Merge pull request #13 from LaurentRDC/develop

Develop

Streaming image processing

This release adds documentation and functions for streaming image processing.