v2.3.0

Bug Fixes

• pipe: pipe() should always return IterableX (#126) (d7c0556)
• type-guards: fix user-defined type guards (#83) (fd45455), closes #44

Features

• asyncify: adds asyncify and asyncifyErrback (#96) (f75dfaf)
• exports: move abstract class definitions into subfolders (#121) (8c45138), closes #52
• forkJoin/combineLatest: adds forkJoin and combineLatest (#132) (c0e3596)
• fromNodeStream: adds fromNodeStream readable (#124) (952509e)
• merge/concat: add typed overloads for merge/concat (#84) (752aa96)
• operators: rename __modules.ts to index.ts for tree-shaking (#120) (83ab288), closes #52
• pipe: add piped operators [WIP - DO NOT MERGE] (#75) (76a4b4f), closes #119