2.7.0.15
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* Fixed typo in documentation.
* Relaxed upper version bound for `StateVar`.

2.7.0.14
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* Relaxed upper version bound for `containers`.

2.7.0.13
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* Relaxed upper version bound for `OpenGLRaw`.

2.7.0.12
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* Mac OS X: Make it possible to link against freeglut.

2.7.0.11
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* Linux: Try to load versioned GLUT library, too, because the unversioned one is often in *-dev packages only.

2.7.0.10
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* Mac OS X: Search public frameworks first, then system frameworks.

2.7.0.9
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* The GLUT package compiles without any additional library/framework now.
* Windows: We search for a native freeglut DLL, a MinGW freeglut DLL and a classic GLUT DLL, in that order.

2.7.0.8
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* Relaxed upper version bound for `OpenGLRaw`.

2.7.0.7
-------
* Removed redundant constraints.

2.7.0.6
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* Relaxed upper version bound for `OpenGLRaw`.

2.7.0.5
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* Make things work with both old and new `OpenGLRaw`/`GLURaw` packages.
* Build all examples via cabal, no need for `make` anymore.

2.7.0.4
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* Relaxed upper version bound for `transformers`.

2.7.0.3
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* Relaxed upper version bound for OpenGLRaw.
* Added CHANGELOG.md to distribution.
* Minor build/testing tweaks.

2.7.0.2
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* Fixed typo in shader file extension.
* Relaxed bounds for OpenGL package.