Request @import'd styles concurrently.
Let user & useragent styles query for a lack of author styles.
Introduce simplified html2css API
Which, now that these are implemented, lowers <style> to @media & <link rel=stylesheet> to @import.
Unittest conditional styles, add loadImports API to fit Rhapsode's use.
Test rules capturing of ConditionalStyleSheet.
Fix: ConditionalStyles reversed CSS precedance.
Fix precedence of conditional blocks (+API redesign)
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.
Fix syntax errors in ConditionalStyles
Support multiple @document conditions (FIX)
Switch @document from conjunctive conditions to disjunctive conditions.
Implement @document rules (save regexp() conditions).
I've still got to select a regexp library to power it.