Temporary renamed libs to lib*2_0 so I can carry on working on the python bindings while my question http://stackoverflow.com/questions/18706942/create-a-symbolic-link-to-a-library-at-install-time-with-cmake is answered
Renamed Imath Imath-2_0
Explicitely link iexmodule against Iex-2_0
Enabled testing. Tests are ran after a build by calling 'make test'.
Added PyIexTest. Python test modules paths need to be prefixed with