Promise 1.0.0

Changes

• Rename to reason-promise (7fd54ae).
• Rename most of the APIs (20f45ef).
• Change types to support chaining with -> (41c9a1b).

Additions

• Helpers for Result and Option (#16).
• tap, tapOk, tapError, tapSome (217e19e).
• Infix operators (792564d).

Bugs fixed

• Excessive bundle size (#39, reported Ozan Sener).