Changelog:
============
- Add logic to avoid error in the case where content-length header does not exist, bug introduced in 1.5.2 (#911)
- Fix wsdump.py script typing, bug introduced in 1.5.2 (#91)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>