v1.8.0

New features

• Several changes to demoDesignVars (#104)
• Added 1D curvature constraint (#105)

Bug fixes

• writeRefAxes fix for Python 3 (#107)
• Child FFD constraint tests and fixes (#103)

Maintenance

• Code cleanup (#100)
• Added test for pyGeo.py (#101)
• Consolidated input files (#102)
• Re-enabling dot product test with children FFD (#106)