Lock Example
LOCK /workspace/webdav/proposal.doc HTTP/1.1
Lock-Info: LockType=Write LockScope=Exclusive
Owner: <http://www.ics.uci.edu/~ejw/contact.html>
State-Token: StateToken:Type=^DAV:/LOCK/DAVLOCK/^:Res=^http://www.ics.uci.edu/workspace/webdav/proposal.doc^:LockType=Write:LockScope=Exclusive:ServerID=12382349AdfFFF
Time-Out: ClockType=Activity TimeType=second;604800