added missing decls to node-fibers.d.ts
fixed incorrect file ref in examples.njsproj
fixed and improved await.ts

- removed 'deep' dependency
- added 'lodash' dependency
- option to clone or not (still needs API)
fixed bug in await.ts
Improved benchmark code

- use _.compact instead of _.filter
- asyncawait variant of largest() can recurse without additional async()
calls
improved benchmark.js

added more configurable options
initial await() options support

- await.inPlace fully working
- updated asyncawait.d.ts accordingly
tweaked comments
tweaked comments
fixed and improved async.ts

- initial support for optional variants of async()
- supports async.concurrency(n)
- finalised and inlined Semaphore class
- Fiber.poolSize is adjusted automatically (still need to add code to
trim it reliably)
- better typing in asyncawait.d.ts
code tweaks in async.ts
refactoring async/iterable (WIP)

merged iterable.ts code into async.ts
Introduced changelog
tweak asyncawait-iterator benchmark
refactor II (WIP)
fix error in README
refactor III (WIP)
removed yield() as separate API function
bump version to 0.6.5
Refactor IV (WIP)

split up async files