* The RelaxWarning system has been added to standardise warning messages.
* The relax manual now describes the test suite. (task #3781)
* The 15N <sup>15</sup>N CSA values in the sample scripts are now all -172 ppm.
* The ambiguity cased by supplying the option 'None' together with Newton optimisation has been resolved in the documentation. (task #3630)
* Optimisation tests have been added to the test suite.