Added api-no-call-error
Removed bogus *radiance-api-formats*
Adapted interface method for api-call
Added required-lambda-vars function.
Fixed exports
Rewrote API system to be callable and introspect-able
Fixed index and format api calls
Added assertions to add-api-function
Turned prepend keyword into optional selector.
Added registration closing parameter.
Wrapped up feature work on plaster.