CMakeParseArguments: Fix tests to run 3.0.0 version before it's released
CMakeParseArguments: Make CMAKE_PARSE_ARGUMENTS_DEFAULT_SKIP_EMPTY a variable
Merge topic 'CMakeParseArguments_EmptyArgs' into next

2e189f2 CMakeParseArguments: Make CMAKE_PARSE_ARGUMENTS_DEFAULT_SKIP_EMPTY a variable
2f77ffe CMakeParseArguments: Fix tests to run 3.0.0 version before it's released