- Fixed a bug where passing a string into the get methods failed.
- "JD" is now a standard format name.
- Added `getInstantFormats()` and `getPeriodFormats()` for listing formats.

Culture formats now have the ability to have a noop item to perform default or parsing calculations.

- Also fixed the `types` in the `package.json`

- Updated tests to reflect changes in the source test data.

- Implemented TSLint for validating logic.
- Upgraded to newest version of TypeScript.
- Refactored logic into separate files for maintainability.
- Updated to various upstream packages for testing.