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

 decoding of max-forwards

 decoding of accept-encoding (waiting for toolkit fix) and accept-language

 decoder support for the accept field

 support decoding the payload

 match the end of the headers

 match the CRLF at the end of RequestLine

 Reverted previous change

 Line break to the end of the status line

 display name changed to optional

 added full control

 Decoding support for contact ant to fields

 support for content-type

 support for Content-Type

 support for CSeq

 support decoding of Call-ID

 match the CRLF after a Response line

 disable m flag in perl regex