1.0.3

PreprocessorExt: add debug_msg param to _warning method.

1.0.2

Fix error in initial values for combined options classes.
Combined options classes now clone input dicts and lists.
Combined options: fix validate_in.
Header Anchors: fix slate id generator.
PreprocessorExt: allow_fail now supports methods without args.

1.0.1

All utils from separate repositories now reside here.

1.0.0

Initial release.