begin async api. render, getTemplate, and node-loaders refactored
update express render method to match async API
update web-loaders to match the new async API
hook up basic compiled async, start converting tests
update some tests for async api
more test progress; clean up a bit
initial merge of async work
minor work
fix conflicts merging in work from master
begin AST transformation library for async-ness
integrate transformer into compiler
finish integrating initial transformer into compiler
many fixes, make all filter takes async
convert for loops to be async
pass errors along async-ly
all compiler & filter tests passing
revert for loops to sync for performance, make async calls more explicit
fix tests for loops
patch in some sync behavior temporarily for tests
end-of-day snapshot