prepare release 0.4.3 (#57)

Author: lambdageek

Changelog.md

@@ -1,5 +1,7 @@
 # NEXT
 
+# 0.4.3
+
 * Add an `instantiate` function that substitutes a list of terms for a collection of bound variables in a toplevel `Bind p t` term.
   Thanks to Stephanie Weirich (sweirich).  This adds a new `substBvs` function to the `Subst` class.
 * Add `substBind` operation that substitutes for the bound variable of a `Bind (Name a) t` term.

unbound-generics.cabal

@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                unbound-generics
-version:             0.4.2
+version:             0.4.3
 synopsis:            Support for programming with names and binders using GHC Generics
 description:         Specify the binding structure of your data type with an
                      expressive set of type combinators, and unbound-generics