fixed up the problem with short SPDU (dissector didn't recognize short SPDU); added support for presentation dissector. Presentation as well as ASCE dissectors have to know type of session primitives. svn path=/trunk/; revision=9621
treat it specially - a type of 1 means GIVE_TOKENS, not DATA_TRANSFER, in that case. svn path=/trunk/; revision=9249
svn path=/trunk/; revision=8937