v2.3.0 (node-fetch#548)

* doc update
* handle corrupted location header during redirect

Fix import style to workaround node < 10 and webpack issues. (node-fe…

…tch#544)

* fix import rule for stream PassThrough

* avoid named export for compatibility below node 10

* compress flag should not overwrite accept encoding header

* doc update

* 2.2.1

2.0.0-alpha.9

* changelog update

1.7.3 (node-fetch#341)

* and changelog update

v1.7.2 (node-fetch#325)

* Fix: when using node-fetch with test framework such as `jest`, `instanceof` check could fail in `Headers` class. This is causing some header values, such as `set-cookie`, to be dropped incorrectly.