- SIP version components may be separated by whitespaces (e.g. "SIP / 2.0")
- parsing of mangled header when for unknown/generic header
- Via parameters were parsed with paramchar rather than token
- handling NULL character inside quoted string
Some torture messages have been added in the Python test.
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2505 74dad513-b988-da41-8d7b-12977e46ad98