Release v0.4.0

Added

• allows multiple occurrences of input
• enable subpackages to render their own subpackages

Changed

• subpackages as normal jsonnet dependencies
• change from _.values to _.input on injected global
• expect schema.json instead of values.schema.json
• read default.json instead of values.json for defaults
• no more default.json, now there's only example.json to enforce explicit inputs

Fixed

• fix missing conversion from values to input