Base: Allow all valid Python 3 identifier characters

Note: Does not check for keywords, only character classes (not a change from the original code).

cMake/FreeCAD_Helpers/PrintFinalReport.cmake

@@ -141,6 +141,7 @@ macro(PrintFinalReport)
     conditional(pybind11 pybind11_FOUND "not enabled" ${pybind11_VERSION})
     simple(Boost ${Boost_VERSION})
     simple(XercesC "${XercesC_VERSION} [${XercesC_LIBRARIES}] [${XercesC_INCLUDE_DIRS}]")
+    simple(ICU "${ICU_VERSION}")
     simple(ZLIB "${ZLIB_VERSION_STRING}")
     simple(OCC "${OCC_VERSION_STRING} [${OCC_LIBRARY_DIR}] [${OCC_INCLUDE_DIR}]")
     simple(OCC_Libs "[${OCC_LIBRARIES}]")