[xmlm] upgrade to version 1.0.1
[xmlm] upgrade to version 1.0.1

Patch from Vincent Hanquez + bugfixes from me.

Signed-off-by: Thomas Gazagnaire <d17b540e4bd20a6d2c62b93674760725b3f75517@citrix.com>

xapi-project/message-switch,djs55/forkexecd,xapi-project/message-switch,johnelse/forkexecd,xapi-project/message-switch