Add `expectNever`

Added

• Add expectNever function which returns never, useful for exhaustive checks

Support Any in TypeEqual

Fixed

• Support any in TypeEqual check

Updated documentation comments

Added

• Better documentation included inline with function and type comments

Changed

• Create empty statements in TypeScript transform (instead of void 0)

Exact Type

Expose TypeEqual helper for making sure two types equal each other.

Initial Release

Simple runtime type checker for TypeScript exhaustive type checks.