Add templates

* str2oct -> char2oct, as str2oct
* match(value, template) -> cannot match(template, template)
* value list assignment for record, requires number of values match the number of fields

Note that the function to decode MsrpUri shall be developed later

Final location SHALL be svn+ssh://vcs.etsi.org/TTCN3/LIB/LibMsrp/

Test in IPv4 with STF370 Lanion logs and EyePMedia
Test in IPv4 with EyePMedia logs sent by Julien
Minimal tests in IPv6