6.3.2
- Bug fix: Parsing 0 epoch expiry times in cookies #2014
- Improvement: Better ConnectException detection #2012
- Bug fix: Malformed domain that contains a "/" #1999
- Bug fix: Undefined offset when a cookie has no first key-value pair #1998
- Improvement: Support PHPUnit 6 #1953
- Bug fix: Support empty headers #1915
- Bug fix: Ignore case during header modifications #1916
- Minor code cleanups, documentation fixes and clarifications.