Latest stable build; fix

lib/api/extend.js

lib/api/format.js

lib/api/option.js

lib/class/Container.js

lib/class/OptionRegistry.js

lib/core/clean.js

lib/core/error.js

lib/core/run.js

lib/core/traverse.js

lib/generators/coreFormat.js

lib/generators/dateTime.js

lib/generators/ipv4.js

lib/generators/thunk.js

lib/generators/words.js

lib/index.js

lib/types/array.js

lib/types/boolean.js

lib/types/external.js

lib/types/index.js

lib/types/integer.js