Return string by reference instead of value from ASN.1 library.
Improves performance of SNMP queries.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5623 acf43c95-373e-0410-b603-e72c3f656dc1
Fixed SNMP Counter64 implementation.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5624 acf43c95-373e-0410-b603-e72c3f656dc1
Constified XmlElement::getText()


git-svn-id: http://yate.null.ro/svn/yate/trunk@5625 acf43c95-373e-0410-b603-e72c3f656dc1
Merge branch 'upstream' of github.com:vir/yate into deb
Updated debian package version to 4.3.1~svn5625