2.4

Add RecType utility.
ShapePoco bugfixes.

2.3

Add Shape.Primitive active pattern.

2.1

Add Expr.unlet utility.

2.0

Add support for ShapeMember, ShapeConstructor, ShapeCliMutable, ShapePoco.
Add support for staged expressions.

1.2

Fix Equality shape implementation.
Add Comparison shappe.

1.1

Add Struct, NotStruct and Equality shapes.

1.0

Initial release