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Release 1.9 (02-11-2015)

• 26: Clean up Vector::get_sub_vector()
• Fix AABB default ctor for unsigned values
• 24: Extended Vector typedefs
• 23: Implement Vector::product

Release 1.8 (03-10-2014)

• Sanitization of matrix::get_translation API
• Compilation options and warnings cleanup
• Fix for shadowed member variables