Merge branch 'hotfix/1.7.1' into develop
Bumped version to .1.8.0-SNAPSHOT
Changed version to 1.7.1 in docs
Fixed missing docstring
Implemented a fix for tables #103
Refactored parts of the stats code #103
Resturctured and documented new functionality #103
Implemented #103 for GSI as well
Updated release notes for 1.7.2
Bumped version to 1.7.2
Merge branch 'release/1.7.2'

Conflicts:
	docs/conf.py