Version 1.3.1
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* Made compiler warnings go away, because new version of R CMD check gives
  warning on compiler warnings.

Version 1.3
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* Changed license line in DESCRIPTION to LICENSE, and addded LICENSE file.

Version 1.2
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* Changed license line in DESCRIPTION to BSD_3_clause.

Version 1.1
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* Force building a 32-bit binary for Windows, by adding the -m32 flag
  to gcc in src/Makefile.win, because CRAN builds a 64-bit binary by
  default, which doesn't work on all systems.

* Added a fallback check for the exec/i386/ directory on Mac, because
  CRAN puts it there by default.

* Changed the format of the author list in DESCRIPTION.
