Bump version to 2.0.7.2
Merge branch 'master' of github.com:funkybob/formulation
Merge branch 'master' of github.com:funkybob/formulation

Conflicts:
	docs/changelog.rst
	setup.py
Merge branch 'master' of github.com:funkybob/formulation
Merge pull request #22 from sergei-maertens/test-suite

Test suite
Merge branch 'master' of github.com:funkybob/formulation

Conflicts:
	docs/changelog.rst
Merge branch 'master' of https://github.com/funkybob/formulation