added Vector2.plusXY
Adding Vector2.setVector2( vector ), as a mutable form of copy
Assertion refactoring to globals
adding working snapshot
Adding sphere-ray intersection routine
Adding Quaternion
Adding dot matrix identity
Adding Set
Adding Bounds3
added Bounds2.getClosestPoint
Adding dimension-independent dilations
Adding BoundsX.point
Adding Vector2.normalize
Fixing normalize() to mutable style, adding to Vector3 and Vector4
Adding Vector multiply / multiplyScalar
Adding Dimension2.toBounds
Added distToSegment and distToSegmentSquared
update info about sherpa in README for all common-code repos
make third-party clause the same in all README files, and the clause where it was missing, properly hyphenate "Third-Party" where it was incorrect.
Adding VectorX.average( otherVector ), and arePointsCollinear/triangleArea/triangleAreaSigned to Util