CHANGELOG in gmp-0.2.1 vs CHANGELOG in gmp-0.2.2

@@ -1,4 +1,12 @@
+0.2.2:
+  * GMP::Z.jacobi and GPM::Z#jacobi work and are tested.
+  * GMP::Z.legendre works and is tested.
+  * GMP::Z.next_prime is an alias for GMP::Z.nextprime.
+  * GMP::Z.next_prime! is an alias for GMP::Z.nextprime!.
+  * GMP::Z.remove works as it is supposed to.
+  * PDF documentation is extended.
+
 0.2.1:
   * Got GMP::F(Fixnum) working, (I think it already was).
   * More and more documentation in PDF.
 
 0.1.9: