Preserve context
Test preserve context in asEventStream() optional function
Add missing 'e'
clarified .when docs. closes #433
fix for #447, tests pending
add test case for #447
simplify
release 0.7.26
update relnotes
Merge pull request #413 from hhelwich/master

Preserve context
update relnotes
release 0.7.27
Call wrapped subscribe directly
Remove extra subscribeInternal reference from Source
Implement Bus with prototypes
Dispatchers with prototypes
Optimise Bacon.later, Bacon.never and Bacon.once
Do not bind push to dispatcher instances
Do not bind push to Bus instances
Use .call instead of .apply when calling with one argument