! not ready to merge !
definitions and tests should have all the methods, but:
* some missing overloads
* some problematic members
* some members or tests commented out
"Bluebird is a full featured promise library with unmatched performance."
https://github.com/petkaantonov/bluebird
known issues:
* maybe needs a global var or single export?
* uses 'any'-type (not generic-enabled)