2.2.3

Types

• 383c486 Add support for null, undefined for attribute values
• 5dd31e7 Fix types to allow definitions in container directives

Misc

• e9f3a86 Add improved docs
• b84dbc8 e4ba789 Refactor types to use CompileData, ConstructNameMap interface
• 0d4fd9f Update tsconfig.json
  by @jameshfisher in #7
• 67fd800 Fix types for TS 4.9

Full Changelog: 2.2.2...2.2.3