absoluteURI moved to UserInfo
 support for multiple occurrences of the contact field

 correction in header fields that can occur multiple times

 transformed TC_INSUF into a negative test

 fixed memory leak

 support multiple via in the same line

 decoding support for organization
 userinfo regex corrected

 decoding support for in-reply-to, mime-version, min-expires

 decoding support for date, error-info and expires

 added value check for TC_REGAUT01

 added value_check for TC_NCL

 fixed empty string int TC_NOREASON

 decoding support for content-language

 decoding support for content-disposition
 improved decoding of semicolon-separated parameter list

 decoding support for call-info

 decoding support for authorization

 added value check for TC_UNKSCM

 added value check for TC_TRANSPORTS

 added value check for TC_SDP01

 added value check for TC_NOVELSC

 added value check for TC_NOREASON

 added value check for TC_MISMATCH01

 added value check for TC_LWSSTART

 added value check for TC_LWSDISP

 added value check for TC_LONGREQ

 decoding support for allow, authentication-info and comma separated parameter list

 added value check for TC_INVUT

 support for Request-Route

 added value check for TC_INV2543

 support case-insensitive matching of header names

 added value check for TC_PARAM02

 added value check for TC_CPARAM01

 added value check for TC_CLERR

 added value check for bigcode

 added value for TC_BEXT01

 fixed Require and support Proxy-Require

 support OptionTag_List

 disabled negative testcases

 fixed possible overflow

 set the verdict to inconc (when sucessfully decoded) and to pass when the content was verified

 decoding support for alert-info