Relaxed version bound of 'containers' package. Bumped version to 3.0.2.2.

Author: svenpanne

CHANGELOG.md

@@ -1,3 +1,7 @@
+3.0.2.2
+-------
+* Relaxed upper version bound for `containers`.
+
 3.0.2.1
 -------
 * Relaxed upper version bound for `OpenGLRaw`.

OpenGL.cabal

@@ -1,8 +1,8 @@
 name: OpenGL
-version: 3.0.2.1
+version: 3.0.2.2
 synopsis: A binding for the OpenGL graphics system
 description:
-  A Haskell binding for the OpenGL graphics system (GL, version 4.5) and its
+  A Haskell binding for the OpenGL graphics system (GL, version 4.6) and its
   accompanying utility library (GLU, version 1.3).
   .
   OpenGL is the industry's most widely used and supported 2D and 3D graphics
@@ -160,7 +160,7 @@ library
   build-depends:
     base         >= 3   && < 5,
     bytestring   >= 0.9 && < 0.11,
-    containers   >= 0.3 && < 0.6,
+    containers   >= 0.3 && < 0.7,
     text         >= 0.1 && < 1.3,
     transformers >= 0.2 && < 0.6,
     ObjectName   >= 1.1 && < 1.2,