Add shorthands for common cases

[zerobias]

debounce(clock, 100)
delay(clock, 100)
throttle(clock, 100)
time(clock)
status(fx)
pending([fx1, fx2])
inFlight([fx1, fx2])
combineEvents([event1, event2])
spread({foo: $foo, bar: $bar})

---

• [x] debounce shorthand
• [x] delay shorthand
• [x] throttle shorthand
• [x] time shorthand
• [x] status shorthand
• [x] pending shorthand
• [x] inFlight shorthand
• [x] combineEvents shorthand
• [x] spread shorthand

[zerobias]

Released in 2.1.0