Drop legacy FIXME regarding media query ratios.

Treat ratios as fractional numbers.

I'm having trouble consulting the spec, but judging by sample CSS this looks right.

Add support for range types to media query interpretor.

This allows browsers to be more vague when fetching @imports.

Improve documentation, release version 1.2

Write reference documentation.

Unittest conditional styles, add loadImports API to fit Rhapsode's use.

Draft interpretor for @supports.

Media queries: fix popping two items off stack.

I forgot that FIFO reversed the order of the list.

Implement @import & @media

Dependency injection required for an HTTP client library.