Merge tag '2.4.0' into develop

2.4.0
Add test case for issue #70
Fix issue #70
Merge pull request #73 from timothycrosley/feature/fix-issue-70-2

Feature/fix issue 70 2
Bump version to 2.4.1
Update to use pies 2.0
Small fix
Fix version requirement
No need for special syntax with new pies
More consistent spacing
Small improvement
Small restructuring
Small fix
Merge branch 'release/2.4.1'