Add basic support for `private_class_method`.
Add support for legacy parser, relax parse restrictions
re-add UndocumentableException per convention
Report 100% documented if nothing is undocumented.

Fixes #754
Avoid mutex in Logger#progress.

Closes #717
Fixes #731
Ensure namespace is always set when parent module is not found.

Fixes #753
Set overflow as auto on table of contents.
Fix formatting on #696.

Closes #696.
Merge pull request #747 from fshowalter/master

Add basic support for `private_class_method`.
Fix JRuby throwing exception when remove_method called on non-existent method.

Fixes #732
Collect quoted values as single type item.

Fixes #703
Revert "Ignore overridden methods from "undocumented" check, they don't need documentation."

This reverts commit ead6bd1139ba13c8882f03d26437d26e146c36eb.

Fixes #719