Fix compatibility with readable-stream

• Replaced instanceof check to address issue #4
• Updated dependencies

Ensure constructor argument is an instance of stream.Readable

Related to issue: #3

Avoid re-using Error instance

Bump version to: 1.0.2

Updated dependencies.

Fix partial read at the end of a stream

V1.0.1

Bump version to 1.0.1

Improve peek behaviour

Required for: Borewit/strtok3#6

Remove dev dependency on "es6-promise" module

v0.9.6

Bump version to 0.9.6

Reject read operation on ended stream

Ref: Borewit/music-metadata#29

Fix fragmentation between peak and read

v0.9.4

Remove redundant if statement

Exclude TypeScript files from NPM module

Addresses issue #2 (created for Borewit/music-metadata#25)

Peek function

Implements enhancement: #1