Log Message:
(math/R-circular) Updated 0.4.95 to 0.5

Version 0.5
 Added an example to RosediagRad (thanks to Hugo Flávio).
 Added an example to lm.circular (thanks to Dirk Walther).
 Drop personList() and citEntry().
 axis.circular() is no longer an S3 method, just a standalone function.
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