Documentation typo fix.

Now version 1.8.2.

Now version 1.8.1 and added changes for external file formats.

Now release 1.8.0

Added a simple cluster build script.

Now version 1.7.6.

Now version 1.7.5.

Avoid WlzMakeRect[ID] (because of pointer to void) when building Java…

…Woolz. Included because useful to PyWoolz.

Work around for MinGW64 union problem.

Minor changes for python binding.